Patent Security Agreement - Biopure Corp. and Pharmacia & Upjohn Inc.
PATENT SECURITY AGREEMENT This PATENT SECURITY AGREEMENT ("Agreement") is made this 8th day of October, 1996, by and between Biopure Corporation, a Delaware corporation, having its principal office at 11 Hurley Street, Cambridge, Massachusetts 02141 ("Grantor"), and Pharmacia & Upjohn, Inc., a Delaware corporation, having its principal office at 7000 Portage Road, Kalamazoo, Michigan 49001 ("Grantee"). WHEREAS, Grantor is the owner of the U.S. patents and patent applications listed on the attached Schedule A (collectively the "Patents"); WHEREAS, Grantee has extended a loan to Grantor pursuant to the terms and conditions of that certain Promissory Note dated the date hereof ("Note") made by Grantor in favor of Grantee; WHEREAS, under a Security Agreement dated the date hereof ("Security Agreement") between Grantor and Grantee, Grantor has granted to Grantee a security interest in certain of its assets (including the Patents) to secure the performance of the obligations of Grantor under the Note; and WHEREAS, Grantor and Grantee by this instrument seek to confirm and make a record of the grant of a security interest in the Patents. NOW, THEREFORE, for good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, Grantor does hereby acknowledge that it has granted to Grantee a security interest in all of Grantor's right, title and interest in, to, and under the Patents. Grantor also acknowledges and confirms that the rights and remedies of Grantee with respect to the security interests in the Patents granted hereby are more fully set forth in the Note and the Security Agreement, the terms and provisions of which are incorporated herein by reference. BIOPURE CORPORATION PHARMACIA & UPJOHN, INC. By: /s/ Brian A. Lajoie By: /s/ Robert G. Kramer ---------------------- --------------------- Name: Brian A. Lajoie Name: Title: V.P. - Finance Title: STATE OF Massachussets ) ) SS: COUNTY OF Middlesex ) Subscribed and sworn to this 7th day of October, 1996. /s/ Hazel V. Forney ------------------------ Notary Public My Commission Expires: Jan 4, 2002 <PAGE> 3 SCHEDULE A U.S. Patents and U.S. Patent Applications <TABLE> <CAPTION> Patent No. Title Issue Date ---------- ----- ---------- <S> <C> <C> 5,084,558 Extra Pure Semi-Synthetic 01/28/92 Blood Substitute 5,296,465 Extra Pure Semi-Synthetic 03/22/94 Blood Substitute 5,095,765 Sample Valve for Sterile 03/17/92 Processing 5,295,944 Improved Method for Treating a 03/22/94 Tumor with Ionizing Radiation <CAPTION> Patent Application No. Title Filing Date ---------------------- ----- ----------- <S> <C> <C> 08/209,949 Ultra Pure Hemoglobin 03/11/94 Solutions and Blood Substitutes 08/333,623 Enzymatic Production of 11/02/94 7-Amino Cephalosporanic Acid 08/477,916 Method for Separating 06/07/95 Unmodified Hemoglobin from Cross-Linked Hemoglobin 08/360,143 Chlorination of Cephalexin 12/20/94 with Chioroperoxidase from Rathayibacter 08/409,337 Method for Oxygenating Tissue 03/23/95 Having Reduced Red Blood Cell Flow 08/458,916 Method for Producing Ultrapure 06/02/95 Stable Polymerized Hemoglobin Blood-Substitute 08/484,775 Method for Producing a Stable 06/07/95 Polymerized Hemoglobin Blood- Substitute </TABLE> -2- <PAGE> 4 <TABLE> <CAPTION> Patent Application No. Title Filing Date ---------------------- ----- ----------- <S> <C> <C> 08/478,004 Method for Producing a Stable 06/07/95 Polymerized Hemoglobin Blood- Substitute 08/487,288 Stable Polymerized Hemoglobin 06/07/95 and Use Thereof 08/620,296 Stable Polymerized Hemoglobin 03/22/96 and Use Thereof 08/471,583 Method for Preserving a 06/07/95 Hemoglobin Blood Substitute 08/473,497 Method for Separating 06/07/95 Hemoglobin 08/360,149 Enzymatic Halogenation of 12/20/94 Cephalexin to Produce Cefaclor and Other Halogenated Products 08/475,899 Separation of Polymerized from 06/07/95 Unpolymerized Hemoglobin on Hydroxyapatite Using HPLC 08/673,147 A Method for Chromatographic 07/01/96 Removal of Prions 08/094,501 Method for Treating a Tumor 07/20/93 with a Chemotherapeutic Agent 08/477,110 Method for Treating a Tumor 06/07/95 with a Chemotherapeutic Agent </TABLE> -3- <PAGE> 5 ================================================================================ FORM PTO-1595 U.S. DEPARTMENT OF COMMERCE (Rev. 6-93) Patent and Trademark Office RECORDATION FORM COVER SHEET PATENTS ONLY Attorney Docket No.: 014877-0000 -------------------------------------------------------------------------------- To the Commissioner of Patents and Trademarks: Please record the attached original documents or copy thereof. ATTN: BOX ASSIGNMENT -------------------------------------------------------------------------------- 1. Name of conveying party(ies): Biopure Corporation Additional name(s) of conveying party(ies) attached? |_| Yes |X| No -------------------------------------------------------------------------------- 2. Name and address of receiving party(ies): Name: Pharmacia & Upjohn, Inc. Internal Address: Street Address: 7000 Portage Road, City: Kalamazoo State: Michigan Zip: 49001 Additional name(s) & address(es) attached? |_| Yes |X| No -------------------------------------------------------------------------------- 3. Nature of conveyance: |_| Assignment |_| Merger |X| Security Agreement |_| Change of Name |_| Other Execution Date: October 7, 1996 -------------------------------------------------------------------------------- 4. Application number(s) or patent number(s): If this document is being filed together with a new application the execution date of the application is: A. Patent Application No.(s) 08/209,949, 08/333,623, 08/477,916, 08/360,143, 08/409,337, 08/458,916, 08/484,775, 08/478,004, 08/487,288, 08/620,296, 08/471,583, 08/473,497, 08/360,149, 08/475,899, 08/673,147, 08/094,501 and 08/477,110 B. Patent No.(s) 5,084,558, 5,296,465, 5,095,765 and 5,295,944 Additional numbers attached: |_| Yes |X| No -------------------------------------------------------------------------------- 5. Name and address of party to whom correspondence concerning document should be mailed: Name: Mr. Matthew T. Bailey Internal Address: Morgan, Lewis & Bockius LLP Street Address: 1800 M Street, N.W. City: Washington State: D.C. Zip: 20036 -------------------------------------------------------------------------------- 6. Total number of applications and patents involved: 21 -------------------------------------------------------------------------------- 7. Total fee (37 C.F.R ss.3.41): $840.00 |X| Enclosed |_| Authorized to be charged to deposit account 13-4520 -------------------------------------------------------------------------------- 8. Deposit account number: 13-4520 Attach duplicate of page if paying by deposit account ================================================================================ 9. Statement and Signature To the best of my knowledge and belief, the foregoing information is true and correct and any attached copy is a true copy of the original document. Matthew T. Bailey /s/ Matthew T. Bailey October 11, 1996 -------------------------------- --------------------- ---------------- Name of Person Signing Signature Date Total number of pages including cover sheet, attachments and documents: 4 ================================================================================