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Patent Assignment Details

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Reel/Frame:	005763/0764			Pages:	4
		Recorded:	07/11/1991
Conveyance:	RELEASE OF SECURITY INTEREST PREVIOUSLY RECORDED AT REEL 4825 AND FRAME 562.

Total properties: 18

Patent #:	3632361	Issue Dt:	01/04/1972	Application #:	04836998	Filing Dt:	06/26/1969
Title:	WATER-INSOLUBLE MICROCRYSTALLINE COLLAGEN ABSORBENT MAT

Patent #:	3632350	Issue Dt:		Application #:	05012503	Filing Dt:
Title:

Patent #:	3691281	Issue Dt:		Application #:	05012504	Filing Dt:
Title:

Patent #:	3628974	Issue Dt:	12/21/1971	Application #:	05014709	Filing Dt:
Title:	MICROCRYSTALLINE COLLAGEN, AN IONIZABLE PARTIAL SALT OF COLLAGEN AND F OODS, PHARMACEUTICALS AND COSMETICS CONTAING SAME

Patent #:	3649347	Issue Dt:		Application #:	05032437	Filing Dt:
Title:

Patent #:	3742955	Issue Dt:	07/03/1973	Application #:	05076638	Filing Dt:	09/29/1970
Title:	FIBROUS COLLAGEN DERIVED PRODUCT HAVING HEMOSTATIC AND WOUND BINDING P ROPERTIES

Patent #:	3758660	Issue Dt:		Application #:	05189750	Filing Dt:
Title:

Patent #:	3748142	Issue Dt:		Application #:	05189762	Filing Dt:
Title:

Patent #:	3767437	Issue Dt:		Application #:	05190817	Filing Dt:
Title:

Patent #:	3839590	Issue Dt:		Application #:	05264176	Filing Dt:
Title:

Patent #:	3821371	Issue Dt:		Application #:	05274520	Filing Dt:
Title:

Patent #:	3810473	Issue Dt:	05/14/1974	Application #:	05312210	Filing Dt:	12/04/1972
Title:	LIQUID-LAID, NON-WOVEN FIBROUS COLLAGEN DERIVED SURGICAL WEB HAVING HE MOSTATIC AND WOUND SEALING PROPERTIES

Patent #:	3954493	Issue Dt:		Application #:	05471546	Filing Dt:
Title:

Patent #:	4045238	Issue Dt:	08/30/1977	Application #:	05637716	Filing Dt:	12/04/1975
Title:	REGENERATED CELLULOSE SPONGE

Patent #:	4016877	Issue Dt:	04/12/1977	Application #:	05660065	Filing Dt:	02/23/1976
Title:	FIBROUS COLLAGEN DERIVED WEB HAVING HEMOSTATIC AND WOUND SEALING PROPE RTIES

Patent #:	4148664	Issue Dt:		Application #:	05897502	Filing Dt:
Title:

Patent #:	4204992	Issue Dt:	05/27/1980	Application #:	06002661	Filing Dt:	01/11/1979
Title:	METHOD FOR PREPARING PYROGEN FREE COLLAGEN

Patent #:	4578067	Issue Dt:	03/25/1986	Application #:	06708008	Filing Dt:	03/04/1985
Title:	METHOD OF FORMING HEMOSTATIC, DRY, AIR-LAID WEB STRUCTURES

Assignor

Exec Dt:

06/19/1991

Assignee

MEDCHEM, PUERTO RICO

Correspondence name and address
	SULLIVAN & WORCESTER
	ONE POST OFFICE SQUARE
	BOSTON, MA 02109

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