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Reel/Frame:	006467/0595			Pages:	8
		Recorded:	03/22/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 167
Page 1 of 2
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Patent #:	3833386	Issue Dt:		Application #:	05269626	Filing Dt:
Title:

Patent #:	3812619	Issue Dt:		Application #:	05279403	Filing Dt:
Title:

Patent #:	3890254	Issue Dt:		Application #:	05332053	Filing Dt:
Title:

Patent #:	3812618	Issue Dt:		Application #:	05339489	Filing Dt:
Title:

Patent #:	3861993	Issue Dt:		Application #:	05353190	Filing Dt:
Title:

Patent #:	3874964	Issue Dt:		Application #:	05353919	Filing Dt:
Title:

Patent #:	4312946	Issue Dt:	01/26/1982	Application #:	05362488	Filing Dt:	05/21/1973
Title:	PREPARATION AND USE OF ENZYMES BOUND TO POLYURETHANE

Patent #:	3854535	Issue Dt:		Application #:	05403242	Filing Dt:
Title:

Patent #:	3946139	Issue Dt:		Application #:	05434031	Filing Dt:
Title:

Patent #:	3903232	Issue Dt:	09/02/1975	Application #:	05443271	Filing Dt:
Title:	DENTAL AND BIOMEDICAL FOAMS AND METHOD

Patent #:	3904557	Issue Dt:		Application #:	05446043	Filing Dt:
Title:

Patent #:	3897372	Issue Dt:	07/29/1975	Application #:	05461675	Filing Dt:
Title:	SMOKE-FLAME RETARDANT HYDROPHILIC URETHANE AND METHOD

Patent #:	3889417	Issue Dt:		Application #:	05470492	Filing Dt:
Title:

Patent #:	3964960	Issue Dt:		Application #:	05487922	Filing Dt:
Title:

Patent #:	3904585	Issue Dt:		Application #:	05517469	Filing Dt:
Title:

Patent #:	3959191	Issue Dt:		Application #:	05537617	Filing Dt:
Title:

Patent #:	3929574	Issue Dt:		Application #:	05560741	Filing Dt:
Title:

Patent #:	3985801	Issue Dt:		Application #:	05572860	Filing Dt:
Title:

Patent #:	4088132	Issue Dt:		Application #:	05575356	Filing Dt:
Title:

Patent #:	4066578	Issue Dt:		Application #:	05649127	Filing Dt:
Title:

Patent #:	4061864	Issue Dt:	12/06/1977	Application #:	05652239	Filing Dt:
Title:	THIOL CONTAINING COMPOUNDS AND THEIR PREPARATION

Patent #:	4110508	Issue Dt:		Application #:	05656674	Filing Dt:
Title:

Patent #:	4129694	Issue Dt:		Application #:	05674695	Filing Dt:
Title:

Patent #:	4342834	Issue Dt:	08/03/1982	Application #:	05685230	Filing Dt:	05/11/1976
Title:	ENZYMES BOUND TO POLYURETHANE

Patent #:	4061662	Issue Dt:	12/06/1977	Application #:	05695344	Filing Dt:
Title:	REMOVAL OF UNREACTED TOLYLENE DIISOCYANATE FROM URETHANE PREPOLYMERS

Patent #:	4058528	Issue Dt:		Application #:	05703184	Filing Dt:
Title:

Patent #:	4041148	Issue Dt:	08/09/1977	Application #:	05714522	Filing Dt:	08/16/1976
Title:	NEW AEROSOL PROPELLANTS FOR PERSONAL PRODUCTS

Patent #:	4049592	Issue Dt:		Application #:	05731295	Filing Dt:
Title:

Patent #:	4098645	Issue Dt:	07/04/1978	Application #:	05743035	Filing Dt:
Title:	IMMOBILIZATION OF PROTEINS WITH POLYURETHANE POLYMERS

Patent #:	4094744	Issue Dt:		Application #:	05749430	Filing Dt:
Title:

Patent #:	4182649	Issue Dt:		Application #:	05767994	Filing Dt:
Title:

Patent #:	4127516	Issue Dt:		Application #:	05772942	Filing Dt:
Title:

Patent #:	4119602	Issue Dt:		Application #:	05785579	Filing Dt:
Title:

Patent #:	4158087	Issue Dt:	06/12/1979	Application #:	05801079	Filing Dt:	05/27/1977
Title:	URETHANE FOAMS HAVING LOW RESILIENCY

Patent #:	4137200	Issue Dt:	01/30/1979	Application #:	05805458	Filing Dt:	06/10/1977
Title:	CROSSLINKED HYDROPHILIC FOAMS AND METHOD

Patent #:	4160076	Issue Dt:		Application #:	05816055	Filing Dt:
Title:

Patent #:	4139607	Issue Dt:	02/13/1979	Application #:	05822353	Filing Dt:	08/05/1977
Title:	AEROSOL PROPELLANT FOR PERSONAL PRODUCTS

Patent #:	4132839	Issue Dt:		Application #:	05833843	Filing Dt:
Title:

Patent #:	4165411	Issue Dt:		Application #:	05834927	Filing Dt:
Title:

Patent #:	4169175	Issue Dt:		Application #:	05841247	Filing Dt:
Title:

Patent #:	4237229	Issue Dt:	12/02/1980	Application #:	05849990	Filing Dt:	11/09/1977
Title:	IMMOBILIZED BIOLOGICAL MATERIAL

Patent #:	4250267	Issue Dt:	02/10/1981	Application #:	05850430	Filing Dt:	11/10/1977
Title:	IMMOBILIZED BIOLOGICAL MATERIAL

Patent #:	4195127	Issue Dt:	03/25/1980	Application #:	05851932	Filing Dt:	11/16/1977
Title:	PROCESS FOR IMMOBILIZING PROTEINS

Patent #:	4175198	Issue Dt:		Application #:	05852279	Filing Dt:
Title:

Patent #:	4156592	Issue Dt:		Application #:	05927211	Filing Dt:
Title:

Patent #:	4230822	Issue Dt:		Application #:	05950038	Filing Dt:
Title:

Patent #:	4225504	Issue Dt:	09/30/1980	Application #:	05954608	Filing Dt:	10/25/1978
Title:	MONOMERIC N-METHYLENEAMINOACETONITRILE

Patent #:	4237182	Issue Dt:	12/02/1980	Application #:	05956812	Filing Dt:	11/02/1978
Title:	FIRE RESISTANT MINE SEALANTS

Patent #:	4211847	Issue Dt:	07/08/1980	Application #:	05962542	Filing Dt:	11/20/1978
Title:	LOW RESIDUE URETHANE FORMING COMPOSITIONS AND METHOD OF FORMING

Patent #:	4510097	Issue Dt:	04/09/1985	Application #:	05962543	Filing Dt:	11/20/1978
Title:	HINDERED ALIPHATIC MONOISOCYANATES

Patent #:	4201846	Issue Dt:		Application #:	05963600	Filing Dt:
Title:

Patent #:	4246146	Issue Dt:	01/20/1981	Application #:	06018974	Filing Dt:	03/09/1979
Title:	FIRE RETARDANT COATING SYSTEM UTILIZING POLYURETHANE HYDROGEL

Patent #:	4254177	Issue Dt:	03/03/1981	Application #:	06036955	Filing Dt:	05/07/1979
Title:	FIRE-RETARDANT PRODUCT AND METHOD OF MAKING

Patent #:	4241537	Issue Dt:	12/30/1980	Application #:	06037928	Filing Dt:	05/10/1979
Title:	PLANT GROWTH MEDIA UTILIZING POLYURETHANE HYDROGEL

Patent #:	4258137	Issue Dt:	03/24/1981	Application #:	06083923	Filing Dt:	10/11/1979
Title:	RIGIDIZED OPEN CELL POLYURETHANE FOAM

Patent #:	4273913	Issue Dt:	06/16/1981	Application #:	06103248	Filing Dt:	12/13/1979
Title:	ISOCYANATTE CAPPED URETHANE-CONTAINING PREPOLYMER PREPARED FROM POLYOLS OBTAINED FROM EPIHALOHYDRIN

Patent #:	4292412	Issue Dt:	09/29/1981	Application #:	06112575	Filing Dt:	01/16/1980
Title:	HYDROPHILIC, FABRIC SOFTENER FOAM COMPOSITIONS AND METHOD OF MAKING

Patent #:	4309509	Issue Dt:	01/05/1982	Application #:	06129152	Filing Dt:	03/10/1980
Title:	ODORANT HYDROPHILIC FOAM COMPOSITIONS

Patent #:	4349494	Issue Dt:	09/14/1982	Application #:	06130778	Filing Dt:	03/17/1980
Title:	ETHOD OF MAKING A FIRE - RETARDANT PRODUCT HAVING A FOAMED CORE AND A FIRE- RETARDANT PROTECTIVE LAYER

Patent #:	4293679	Issue Dt:	10/06/1981	Application #:	06153307	Filing Dt:	05/27/1980
Title:	COMPOSITION AND METHOD OF CONTROLLING SOLID POLYURETHANE PARTICLE SIZE WITH WATER REACTANT

Patent #:	4338460	Issue Dt:	07/06/1982	Application #:	06179805	Filing Dt:	08/20/1980
Title:	PROCESS FOR PREPARING CHELATING AGENTS

Patent #:	4371611	Issue Dt:	02/01/1983	Application #:	06189994	Filing Dt:	09/23/1980
Title:	ENZYMATIC DIAGNOSTIC COMPOSITION

Patent #:	4297482	Issue Dt:	10/27/1981	Application #:	06190114	Filing Dt:	09/24/1980
Title:	CHAIN-EXTENDED POLYOL COMPOSITIONS AND METHOD

Patent #:	4329427	Issue Dt:	05/11/1982	Application #:	06194113	Filing Dt:	10/06/1980
Title:	FERMENTATIVE PREPARATION OF L-ISOLEUCINE

Patent #:	4314034	Issue Dt:	02/02/1982	Application #:	06220563	Filing Dt:	12/29/1980
Title:	POLYUREAU POLYURETHANE FOAMED SPONGE WITH HIGH WET STRENGTH

Patent #:	4358899	Issue Dt:	11/16/1982	Application #:	06249182	Filing Dt:	03/30/1981
Title:	FLOW-THROUGH DRYER AND METHOD FOR RAPID DRYING OF POROUS FOAMS

Patent #:	4367259	Issue Dt:	01/04/1983	Application #:	06287353	Filing Dt:	07/27/1981
Title:	SOUND DEADENING MATERIAL

Patent #:	4377645	Issue Dt:	03/22/1983	Application #:	06314537	Filing Dt:	10/26/1981
Title:	DIMENSIONALLY-STABLE POLYURETHANE SPONGE AND SPONGE-FORMING PREPOLYMER

Patent #:	4384050	Issue Dt:	05/17/1983	Application #:	06314554	Filing Dt:	10/26/1981
Title:	FLEXIBLE POLYURETHANE FOAM BASED ON MDI

Patent #:	4384051	Issue Dt:	05/17/1983	Application #:	06314555	Filing Dt:	10/26/1981
Title:	FLEXIBLE POLYURETHANE FOAM BASED ON MDI

Patent #:	4365025	Issue Dt:	12/21/1982	Application #:	06328478	Filing Dt:	12/08/1981
Title:	FLEXIBLE POLYURETHANE FOAMS FROM POLYMETHYLENE POLYPHENYL ISOCYANATE CONTAINING PREPOLYMERS

Patent #:	4381332	Issue Dt:	04/26/1983	Application #:	06340826	Filing Dt:	01/19/1982
Title:	ADHESIVE AND RESULTING NONWOVEN FABRIC

Patent #:	4387244	Issue Dt:	06/07/1983	Application #:	06367973	Filing Dt:	10/23/1981
Title:	CHELATING AGENTS FOR NON-AQUEOUS SYSTEMS

Patent #:	4421853	Issue Dt:	12/20/1983	Application #:	06388760	Filing Dt:	06/16/1982
Title:	FERMENTATIVE PREPARATION OF L-LEUCINE

Patent #:	4421854	Issue Dt:	12/20/1983	Application #:	06388901	Filing Dt:	06/16/1982
Title:	FERMENTATIVE PREPARATION OF L-LEUCINE

Patent #:	4456685	Issue Dt:	06/26/1984	Application #:	06410373	Filing Dt:	08/23/1982
Title:	MICROORGANISMS IMMOBILIZED WITH HYDROLYSIS RESISTANT POLYURETHANE FOAM

Patent #:	4403083	Issue Dt:	09/06/1983	Application #:	06413294	Filing Dt:	08/31/1982
Title:	PREPARATION OF SOLID POLYURETHANE PARTICLES

Patent #:	4439553	Issue Dt:	03/27/1984	Application #:	06458434	Filing Dt:	01/17/1983
Title:	HIGH MOLECULAR WEIGHT AROMATIC AMINE SCAVENGERS AND METHOD OF USE

Patent #:	4526936	Issue Dt:	07/02/1985	Application #:	06476773	Filing Dt:	03/18/1983
Title:	PROCESS FOR THE PREPARATION OF POLYMERIC AMINE CONTAINING PRODUCTS

Patent #:	4560653	Issue Dt:	12/24/1985	Application #:	06501421	Filing Dt:	06/06/1983
Title:	PROCESS FOR PREPARING L-ASPARTIC ACID

Patent #:	4547590	Issue Dt:	10/15/1985	Application #:	06628634	Filing Dt:	07/06/1984
Title:	CARBON MONOXIDE PROCESS FOR THE PRODUCTION OF ALPHA AMINO ACIDS

Patent #:	4558101	Issue Dt:	12/10/1985	Application #:	06633390	Filing Dt:	07/23/1984
Title:	PROCESS FOR THE PREPARATION OF POLYMERIC AMINE CONTAINING PRODUCTS

Patent #:	4584399	Issue Dt:	04/22/1986	Application #:	06675368	Filing Dt:	11/27/1984
Title:	PURIFICATION OF L-PHENYLALANINE

Patent #:	4721811	Issue Dt:	01/26/1988	Application #:	06769286	Filing Dt:	08/26/1985
Title:	SYNTHESIS OF ALIPHATIC POLYAMINES

Patent #:	4710583	Issue Dt:	12/01/1987	Application #:	06789595	Filing Dt:	10/21/1985
Title:	DIPEPTIDES AND PROCESS

Patent #:	4734401	Issue Dt:	03/29/1988	Application #:	06840307	Filing Dt:	03/17/1986
Title:	PROCESS FOR SPRAY DRYING AMINO ACID COMPOSITIONS

Patent #:	4744990	Issue Dt:	05/17/1988	Application #:	06911688	Filing Dt:	09/25/1986
Title:	HYDANTOINS AS ANIMAL FOOD SUPPLEMENTS

Patent #:	5023371	Issue Dt:	06/11/1991	Application #:	07053976	Filing Dt:	05/26/1987
Title:	SYNTHESIS OF THIOGLYCOLIC ACID

Patent #:	4789757	Issue Dt:	12/06/1988	Application #:	07074751	Filing Dt:	07/17/1987
Title:	N-FORMYLATION OF AMINO CARBOXYLIC COMPOUNDS WITH FORMAMIDE

Patent #:	4801742	Issue Dt:	01/31/1989	Application #:	07074752	Filing Dt:	07/17/1987
Title:	N-FORMYLATION OF AMINO CARBOXYLATES WITH ALKYL FORMATES

Patent #:	4859591	Issue Dt:	08/22/1989	Application #:	07083603	Filing Dt:	08/07/1987
Title:	TRANSAMINATION PROCESS FOR PRODUCING AMINO ACIDS

Patent #:	5102792	Issue Dt:	04/07/1992	Application #:	07084782	Filing Dt:	08/13/1987
Title:	SELECTIVE PRODUCTION OF L-SERINE DERIVATIVE ISOMERS

Patent #:	4873359	Issue Dt:	10/10/1989	Application #:	07103635	Filing Dt:	10/01/1987
Title:	PROCESS FOR PREPARING ASPARTYL-PHENYLALANINE DIPEPETIDES

Patent #:	4810817	Issue Dt:	03/07/1989	Application #:	07103984	Filing Dt:	10/01/1987
Title:	ASPARTYL-BETA SUBSTITUTED PHENYLALANINE DIPEPTIDES

Patent #:	5010890	Issue Dt:	04/30/1991	Application #:	07116287	Filing Dt:	11/02/1987
Title:	VITAL SIGNS MONITORING SYSTEM

Patent #:	4855455	Issue Dt:	08/08/1989	Application #:	07146861	Filing Dt:	01/22/1988
Title:	PREPARATION OF AMINO ACID DERIVATIVES

Patent #:	4871552	Issue Dt:	10/03/1989	Application #:	07174651	Filing Dt:	03/29/1988
Title:	HYDANTOINS AS ANIMAL FOOD SUPPLEMENTS

Patent #:	4855723	Issue Dt:	08/08/1989	Application #:	07187934	Filing Dt:	04/29/1988
Title:	AUDIO-VISUAL ALARM SYSTEM WITH ADDRESS DISPLAY

Patent #:	4860704	Issue Dt:	08/29/1989	Application #:	07187938	Filing Dt:	04/29/1988
Title:	HINGE VALVED ROTARY ENGINE WITH SEPARATE COMPRESSION AND EXPANSION SECTIONS

100

Patent #:	4916088	Issue Dt:	04/10/1990	Application #:	07187939	Filing Dt:	04/29/1988
Title:	METHOD OF MAKING A LOW DISLOCATION DENSITY SEMICONDUCTOR DEVICE

Assignor

W.R. GRACE & CO.-CONN.

Exec Dt:

12/29/1992

Assignee

HAMPSHIRE CHEMICAL CORP.

55 HAYDEN AVENUE

LEXINGTON, MASSACHUSETTS 02173

Correspondence name and address
	KEVIN S. LEMACK
	NIELDS & LEMACK
	747 MAIN STREET - SUITE 200
	CONCORD, MA 01742

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