Harsco Intellectual Property Agreement - Harsco Corp. and United Defense LP


                                 AMENDED AND RESTATED
                        HARSCO INTELLECTUAL PROPERTY AGREEMENT

         This Amended and Restated Intellectual Property Agreement
('Agreement') is made as of October 6, 1997 ('Effective Date') by and between
Harsco Corporation, a Delaware corporation ('Harsco'), and United Defense, L.P.
('UD'), a Delaware limited partnership.

         WHEREAS, the parties entered into the Harsco Intellectual Property
Agreement dated January 1, 1994 ('Closing Date') in connection with the
formation of UD, and the parties now wish to further clarify their respective
rights and obligations thereunder;

         WHEREAS, Harsco transferred certain assets to UD, including certain
intellectual and proprietary property and rights which were exclusively used or
intended by Harsco for exclusive use in the business of Harsco's BMY-Combat
Systems Division prior to the Closing Date;

         WHEREAS, as a condition of such transfer UD granted back to Harsco the
exclusive right and license, with the right to sublicense, under and to such
assets in all fields other than the fields of business of UD;

         WHEREAS, Harsco is the owner of the letters patent, utility models,
inventor's certificates and registered copyrights and applications therefor
listed in Schedule B appended hereto, the claimed or protected subject matters
of which were made, used, sold or practiced or intended by Harsco for
manufacture, use, sale and practice, but not exclusively, in the business of
Harsco's BMY-Combat Systems Division prior to the Closing Date;

         WHEREAS, Harsco possesses, owns and/or has rights in trade secrets,
know-how, information, unregistered copyrights and mask works and materials used
or intended by Harsco for use, but not exclusively, in the business of Harsco's
BMY-Combat Systems Division prior to the Closing Date;

         WHEREAS, Harsco owns the registered and unregistered trademarks, trade
names and service marks and applications for registration listed in Schedule B
appended hereto, which marks and names were used, but not exclusively, in the
business of Harsco's BMY-Combat Systems Division prior to the Closing Date; and

         WHEREAS, UD desires to acquire a license under and to the Harsco
Licensed Intellectual Property (as defined herein) subject to the terms and
conditions set forth below.

         NOW, THEREFORE, in consideration of the mutual covenants, and subject
to the terms and conditions contained herein, the parties hereby agree as
follows.




                                      ARTICLE I
                                     DEFINITIONS

         As used herein unless the context otherwise requires:

    1.1  'Harsco Statutory Rights' means (i) letters patent, utility models,
inventor's certificates, registered copyrights and registered mask works; (ii)
applications for any of the foregoing and rights which may issue on such
application; and (iii) any reissues, continuations, continuations-in-part,
extensions, divisions, re-examinations and renewals of the foregoing, in which
Harsco owned all or a part of the right, title and interest on the Closing Date.

    1.2  'Harsco Data Rights' means unregistered copyrights and mask work
rights and trade secrets and confidential information and knowledge possessed by
Harsco on the Closing Date, including, but not limited to, ideas, inventions,
blueprints, know-how, formulae, manufacturing and production processes and
techniques, research and development information, software, drawings,
specifications, designs, plans, proposals, technical data, financial and
accounting data, business and marketing plans and customer and supplier lists.

    1.3  'Harsco Marks' means the registered and unregistered trademarks, trade
names, service marks, trade dress, logos and applications for registration
thereof, all right, title and interest in which were owned by Harsco on the
Closing Date, including, without limitation the BMY Mark.

    1.4  'Harsco Transferred IP Rights' means Harsco Statutory Rights, Harsco
Marks and Harsco Data Rights, exclusively used or intended for exclusive use in
the business of Harsco's BMY-Combat Systems Division on or prior to the Closing
Date including, without limitation, the Harsco Statutory Rights and Harsco Marks
listed in Schedule A hereto together with the BMY Mark transferred to UD hereby.

    1.5  'Harsco Licensed Intellectual Property' means Harsco Statutory Rights,
Harsco Marks and Harsco Data Rights used or intended for use, but not
exclusively, in the business of Harsco's BMY-Combat Systems Division on or prior
to the Closing Date including, without limitation, the Harsco Statutory Rights
and Harsco Marks listed in Schedule B hereto.

    1.6  'The Field' means the development, manufacture, retrofit,
installation, overhaul, repair, engineering, design, service, sale and marketing
of (i) any military vehicle system or weapon system or station or component
thereof and (ii) forgings, castings and fabrications for commercial customers.

    1.7  'Harsco Defense Business' means the entire business and operations of
the BMY-Combat Systems Division, as conducted as of the Closing Date.

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    1.8  'Permitted Activities' means (i) the development, manufacture,
retrofit, installation, repair, overhaul, engineer, design, service, sale and
marketing of armor and armor kits for sale to the military and other customers,
(ii) such activities as are reasonably necessary for Harsco to complete the
termination and winding up of its former truck and bus business, and (iii) the
development, manufacture, retrofit, installation, repair, overhaul, engineer,
design, service, sale and marketing of any component part or subsystem of
military vehicle systems which are substantially the same as classes of products
or services that primarily are commercially sold by Harsco for non-military
uses.

    1.9  'BMY Mark' means the registered trademarks in and to the name 'BMY.'


                                      ARTICLE II
                                        GRANTS

    2.1  Harsco grants to UD an exclusive, irrevocable, worldwide, royalty-free
right and license, with the right to sublicense, under and to Harsco Licensed
Intellectual Property in The Field other than any Permitted Activity; for the
Permitted Activity UD shall have a sole, irrevocable, worldwide, royalty-free
right and license, with the right to sublicense.

    2.2  UD grants to Harsco:

         (a)  an exclusive, irrevocable, worldwide, royalty-free right and
license, with the right to sublicense, under and to the Harsco Transferred IP
Rights and the BMY Mark in all fields other than The Field; and

         (b)  a non-exclusive, irrevocable, worldwide, royalty-free right and
license, without the right to sublicense, under and to the Harsco Transferred IP
Rights and the BMY Mark for use in any Permitted Activity.

    2.3  Harsco hereby transfers, conveys and assigns to UD all of its right,
title and interest in and to the BMY Mark and any goodwill associated therewith
(subject to the license granted in Section 2.2 hereto).  Harsco agrees to take
all actions reasonably requested by UD, at UD's expense, to record such
assignment in all jurisdictions in which the BMY Mark is registered.

    2.4  No right or license is granted hereby by implication or otherwise
under any patent, utility model, inventors certificate, copyright, trade secret,
mask work or trademark except as specifically provided herein.

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                                     ARTICLE III
                                     COOPERATION

    3.1  UD agrees, at Harsco's request on reasonable notice, to disclose and
make available to Harsco, Harsco Data Rights constituting a part of Harsco
Transferred IP Rights to the full extent required by Harsco to use the same and
to replicate products, processes and the like in which the same are embodied or
used.

    3.2  Harsco agrees, at UD's request on reasonable notice, to disclose and
make available to UD Harsco Data Rights constituting a part of Harsco Licensed
Intellectual Property to the full extent required by UD to use the same and to
replicate products, processes and the like in which the same are embodied or
used.

    3.3  UD and Harsco each agree, in performance of Section 3.1 and 3.2, to:

         (a)  make copies of drawings, blue prints, manuals, internal
documentation, and the like available as and to the extent requested and at the
other party's expense;

         (b)  provide access to files containing information responsive to
Sections 3.1 and 3.2; and

         (c)  make qualified personnel available to assist the other at the
reasonable request and at the expense of the other.

    3.4  The provisions of this Article III shall terminate upon the twelfth
anniversary of the Closing Date.

    3.5  Should either party decide not to pay any or all of the required
maintenance fees on any of the intellectual property licensed hereunder, it
shall immediately notify the other party of its decision, and that party shall
have the right (but not the obligation) to pay such maintenance fees.


                                      ARTICLE IV
                          PRESERVATION/ENFORCEMENT OF RIGHTS

    4.1  UD acknowledges and agrees that Harsco Licensed Intellectual Property
includes trade secrets and confidential information of Harsco and agrees not to
disclose to any third party (except pursuant hereto and notwithstanding
termination hereof) Harsco Data Rights except to the extent the same and its
manner of utilization and combination can be shown to be generally known in the
relevant trade(s), to have been in UD's possession prior to receipt from Harsco,
to have been received from a third party not obligated to Harsco with respect
thereto or to have been independently developed for UD by its employees who did
not have access to Harsco Data Rights.

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Any permitted disclosure to a third party shall be made pursuant to a written
agreement containing restrictions on disclosure no less restrictive than those
contained herein.

    4.2  Harsco and UD acknowledge and agree that Harsco Transferred IP Rights
include trade secrets and confidential information and each agree not to
disclose to any third party Harsco Transferred IP Rights except to the extent
the same and its manner of utilization and combination can be shown to be
generally known in the relevant trade(s), to have been in the recipient's
possession prior to receipt from the other party, to have been received from a
third party not obligated to the other party with respect thereto or to have
been independently developed by employees of the receiving party who did not
have access to the Harsco Transferred IP Rights.

    4.3  Each party agrees to use Harsco Marks owned by the other only as an
adjective and never in juxtaposition to a mark of any other person or entity.
Each party agrees to identify the other as the owner of such Harsco Marks owned
by the other and to indicate their registration, as appropriate, at least once
in or on each document or thing where such Harsco Mark owned by the other is
used and otherwise to fully comply with those steps and practices necessary to
preserve the other party's title and rights in the Marks.

    4.4  Each party agrees, in its manufacture of articles and products on or
with respect to which an Harsco Mark owned by the other is used, to conform to
the standards of quality established by Harsco during its operations of the
Harsco Defense Business and such other quality standards as may hereafter
reasonably be established by the party owning such Harsco Mark.  Each party
shall, upon reasonable notice, be entitled to inspect the facilities of the
other party to ensure that said quality standards are being maintained.

    4.5  Each party shall notify the other of any infringement,
misappropriation, conversion, unauthorized use or the like by a third party of
any Harsco Transferred IP Rights or Harsco Licensed Intellectual Property
transferred or licensed exclusively pursuant hereto which becomes known to it.
The parties agree to consult as to the appropriate action to be taken and, if
the parties fail to reach a timely agreement under the particular circumstances,
UD shall have the right to take such action(s) as it deems appropriate to obtain
redress with respect to such third party activity in The Field and Harsco shall
have the right to take such action(s) as it deems appropriate to obtain redress
with respect to such third party activity in fields other than The Field.  Any
action taken by Harsco or UD singularly pursuant to this Section, shall be at
the expense and for the benefit (including any award of damages or compensation)
of the party which takes action.  The parties agree to cooperate in the conduct
of any action(s) brought or taken pursuant to this Section.

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                                      ARTICLE V
                                     COMPENSATION

    Each party agrees to compensate the other for copies of drawings, documents
and things made available pursuant to Section 3.3(a) and personnel made
available pursuant to Section 3.3(c) in accordance with the standard practice of
such party.


                                      ARTICLE VI
                                     TERMINATION

    6.1  As to each Harsco Statutory Right licensed hereunder, all grants,
obligations and provisions herein relating thereto shall continue in full force
and effect, unless sooner terminated as herein provided, until its expiration
date or until a final decree of invalidity thereof from which no appeal can be
or is taken.

    6.2  Harsco may terminate the right and license granted to UD pursuant to
Section 2.1 hereof with respect to Harsco Marks constituting Harsco Licensed
Intellectual Property upon written notice to UD if UD remains in default of, or
fails to correct a failure to comply with, Section 4.3 hereof for a period of
sixty (60) days after written notice of such default or failure is given by
Harsco to UD.

    6.3  UD may terminate the right and license granted to Harsco pursuant to
Section 2.2 hereof with respect to Harsco Marks constituting Harsco Transferred
IP Rights upon written notice to Harsco if Harsco remains in default of, or
fails to correct a failure to comply with, Section 4.3 hereof for a period of
sixty (60) days after written notice of such default or failure is given by UD
to Harsco.


                                     ARTICLE VII
                       INDEMNIFICATION; LIMITATION OF LIABILITY

    7.1  Each party shall defend, indemnify and hold the other party and its
subsidiaries and affiliates, and its and their officers, directors,
shareholders, employees and agents harmless and shall pay all losses, damages,
fees, expenses or costs (including reasonable attorneys' fees) incurred by the
indemnified party based upon any claim or action:  (a) arising from any act or
omission of the indemnifying party, or its shareholders, officers, directors,
employees or agents constituting gross negligence or willful misconduct related
to this Agreement; or (b) arising from the misuse, disclosure or
misappropriation by any third party of any confidential information of the
indemnified party obtained from the indemnifying party by such third party in
violation of this Agreement.

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    7.2  EXCEPT AS SET FORTH IN THE PURCHASE AGREEMENT DATED AUGUST 25, 1997 BY
AND AMONG HARSCO, FMC CORPORATION, HARSCO UDLP CORPORATION AND IRON HORSE
ACQUISITION CORP., HARSCO MAKES NO WARRANTY, EXPRESS OR IMPLIED, EXCEPT AS
EXPRESSLY SET FORTH HEREIN, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

    7.3  The dispute resolution procedures set forth in Article 29 of the
Purchase Agreement dated August 25, 1997 by and among Harsco, FMC Corporation,
Harsco UDLP Corporation and Iron Horse Acquisition Corp., shall apply to any
dispute between the parties regarding this Agreement.

                                     ARTICLE VIII
                                    MISCELLANEOUS

    8.1  Harsco may assign this Agreement and any rights hereunder in whole or
in part by way of sale of assets, merger or consolidation, without the prior
written consent of UD. UD may, without the prior written consent of Harsco,
assign this Agreement (i) to any purchaser of all or substantially all of its
assets, (ii) in part with respect to the intellectual property used in
connection with the business of any business unit, whether by way of sale of
assets, merger or consolidation, of UD, to any purchaser of all or substantially
all of the assets of such business unit of UD, or (iii) as collateral to any
financing source of UD or its affiliates.  Subject to the foregoing, this
Agreement will be binding upon and inure to the benefit of the parties and their
respective successors and assigns.

    8.2  The disclosure and obligation to disclose classified information, as
provided in Part 125.3 of the United States Code of Federal Regulations, Title
22, shall be subject to and in accordance with the requirements of the U.S.
Department of Defense Industrial Security Manual.  The parties hereby agree to
be bound by and to comply with the requirements of said Security Manual in its
treatment and use of classified information disclosed by other pursuant hereto.
If required by the U.S. Office of Munitions Control, each agrees to execute a
U.S. nontransfer and use certificate.  The obligation to disclose information
which is unclassified shall be subject to the requirements of Part 125.2 of the
U.S. International Traffic in Arms Regulations.

    8.3  This Agreement is subject to all United States laws and regulations
relating to exports, and to all administrative acts of the U.S. Government
pursuant to such laws and regulations.

    8.4  Sections 4.1, 4.2, 7.1 and 7.2 shall survive termination of this
Agreement for any reason.

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    8.5  This Agreement is for the sole benefit of the parties hereto and their
permitted assigns and nothing herein express or implied shall give or be
construed to give to any person or entity, other than the parties hereto and
such permitted assigns, any legal or equitable rights hereunder.

    8.6  This Agreement may be amended, or any provision of this Agreement may
be waived; PROVIDED, HOWEVER, that any such amendment or waiver shall be binding
upon a party only if set forth in a writing executed by such party and referring
specifically to the provision alleged to have been amended or waived.  No course
of dealing between or among any persons having any interest in this Agreement
shall be deemed effective to modify, amend or discharge any part of this
Agreement or any rights or obligations of any person under or by reason of this
Agreement.

    8.7  All notices or other communications required or permitted to be given
hereunder shall be in writing and shall be delivered by hand or sent by prepaid
telex, cable or telecopy, or sent, postage prepaid, by registered, certified or
express mail, or reputable overnight courier service and shall be deemed given
when so delivered by hand, telexed, cabled or telecopied, or if mailed, three
days after mailing (one business day in the case of express mail or overnight
courier service), as follows:

IF TO UD,

              United Defense, L.P.
              1525 Wilson Blvd.
              Arlington, Virginia  22209
              Attention: Thomas W. Rabaut

              WITH A COPY TO:

              Latham & Watkins
              1001 Pennsylvania Avenue N.W. Suite 1300
              Washington, D.C. 20004
              Attention:  Bruce E. Rosenblum

IF TO HARSCO,

              Harsco Corporation
              350 Poplar Church Road
              Camp Hill, PA  17011
              Telecopy No.:  (717) 763-6402
              Attention:  Paul C. Coppock

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              WITH A COPY TO:

              Morgan, Lewis & Bockius
              1800 M Street, N.W.
              Washington, D.C.  20036
              Telecopy No.: (202) 467-7176
              Attention:  Lloyd H. Feller

    8.8  The headings and captions contained in this Agreement or any exhibit
or schedule hereto are for reference purposes only and shall not affect in any
way the meaning or interpretation of this Agreement.   The use of the word
'including' herein shall mean 'including without limitation.'

    8.9  Notwithstanding the fact that this Agreement has been drafted or
prepared by one of the parties, each of the parties confirms that each of them
and their respective counsel have reviewed, negotiated and adopted this
Agreement as the joint agreement and understanding of the parties, and the
language used in this Agreement shall be deemed to be the language chosen by the
parties hereto to express their mutual intent, and no rule of strict
construction shall be applied against any person.

    8.10 This Agreement may be executed in one or more counterparts (including
by means of telecopied signature pages), all of which shall be considered one
and the same agreement, and shall become effective when one or more such
counterparts have been signed by each of the parties and delivered to the other
party.

    8.11 This Agreement contains the entire agreement and understanding between
the parties hereto with respect to the subject matter hereof and supersede all
prior agreements and understandings, whether written or oral, relating to such
subject matter.

    8.12 The parties acknowledge that each of them has been represented by
counsel in connection with this Agreement and the transactions contemplated
hereby.  Accordingly, any rule of law or any legal decision that would require
interpretation of any claimed ambiguities in this Agreement against the party
that drafted it has no application and is expressly waived.

    8.13 Whenever possible, each provision of this Agreement shall be
interpreted in such manner as to be valid and effective under applicable law,
but if any provision of this Agreement or the application of any such provision
to any person or circumstance shall be held invalid, illegal or unenforceable in
any respect by a court of competent jurisdiction, such invalidity, illegality or
unenforceability shall not affect any other provision hereof.

    8.14 This Agreement shall be governed by and construed in accordance with
the internal laws of the State of Illinois applicable to agreements made and to
be performed entirely within such State, without regard to the conflicts of law
principles of such State.

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    IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the date first written above.


HARSCO CORPORATION                          UNITED DEFENSE, L.P.


BY:  /s/ Leonard A. Campanaro               BY:  UDLP Holdings Corp.
     --------------------------

ITS: Sr. Vice President & CFO               ITS: General Partner

                                            BY:  /s/ Allan M. Holt
                                                 ------------------------
                                            ITS: President


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