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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	009038/0582			Pages:	7
		Recorded:	02/02/1998
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 59

Patent #:	4379937	Issue Dt:	04/12/1983	Application #:	06304748	Filing Dt:	09/23/1981
Title:	SELECTIVE ACYLATION OF HYDROXY-AMINO-ARYLSULFONIC ACIDS

Patent #:	4689371	Issue Dt:	08/25/1987	Application #:	06882870	Filing Dt:	07/07/1986
Title:	PROCESS FOR THE PREPARATION OF POLY (VINYLPHENOL) FROM POLY (ACETOXYSTYRENE)

Patent #:	4678843	Issue Dt:	07/07/1987	Application #:	06912039	Filing Dt:	09/29/1986
Title:	PROCESS FOR THE AMMONIUM HYDROXIDE HYDROLYSIS OF POLYMERS OF ACETOXYSTYRENE TO POLYMERS OF VINYLPHENOL

Patent #:	4775730	Issue Dt:	10/04/1988	Application #:	07029108	Filing Dt:	03/23/1987
Title:	COPOLYMERS OF P-ACETOXYSTYRENE WITH ANY OF CERTAIN POLYUNSATURATED COMPOUNDS

Patent #:	4857601	Issue Dt:	08/15/1989	Application #:	07099429	Filing Dt:	09/11/1987
Title:	SELECTIVE HYDROLYSIS OF COPOLYMERS OF PARA-ACETOXY STYRENE AND DIALKYL MUCONATES OR ALKYL SORBATES

Patent #:	4877843	Issue Dt:	10/31/1989	Application #:	07099430	Filing Dt:	09/11/1987
Title:	SELECTIVE HYDROLYSIS OF COPOLYMERS OF PARA-ACETOXY STYRENE AND ALLYL ESTERS OF ETHYLENICALLY UNSATURATED ACIDS

Patent #:	4912173	Issue Dt:	03/27/1990	Application #:	07115128	Filing Dt:	10/30/1987
Title:	HYDROLYSIS OF POLY(ACETOXYSTYRENE) IN AQUEOUS SUSPENSION

Patent #:	4847327	Issue Dt:	07/11/1989	Application #:	07142056	Filing Dt:	01/07/1988
Title:	SURFACE OR ELECTRICALLY ACTIVE COPOLYMERS OF POLY(4-SUBSTITUTED STYRENE/N-SUBSTITUTED MALEIMIDE)

Patent #:	4962147	Issue Dt:	10/09/1990	Application #:	07199553	Filing Dt:	05/26/1988
Title:	PROCESS FOR THE SUSPENSION POLYMERIZATION OF 4-ACETOXYSTYRENE AND HYDROLYSIS TO 4-HYDROXYSTYRENE POLYMERS

Patent #:	4965400	Issue Dt:	10/23/1990	Application #:	07226260	Filing Dt:	08/02/1988
Title:	PREPARATION OF 3,5-SUBSTITUTED-4-ACETOXYSTYRENE

Patent #:	4898916	Issue Dt:	02/06/1990	Application #:	07231582	Filing Dt:	08/08/1988
Title:	PROCESS FOR THE PREPARATION OF POLY(VINYLPHENOL) FROM POLY (ACETOXYSTYRENE) BY ACID CATALYZED TRANSESTERIFICATION

Patent #:	4822862	Issue Dt:	04/18/1989	Application #:	07231590	Filing Dt:	08/08/1988
Title:	EMULSION POLYMERIZATION OF 4-ACETOXYSTYRENE AND HYDROLYSIS TO POLY(P- VINYLPHENOL

Patent #:	4965956	Issue Dt:	10/30/1990	Application #:	07349105	Filing Dt:	05/08/1989
Title:	CAM ACTION FISHING SINKER DEVICE

Patent #:	4927956	Issue Dt:	05/22/1990	Application #:	07360803	Filing Dt:	06/02/1989
Title:	3,5-DISUBSTITUTED-4-ACETOXYSTYRENE AND PROCESS FOR ITS PRODUCTION

Patent #:	5041614	Issue Dt:	08/20/1991	Application #:	07548170	Filing Dt:	07/03/1990
Title:	METHOD FOR THE PREPARATION OF 4-ACETOXYSTYRENE

Patent #:	5084533	Issue Dt:	01/28/1992	Application #:	07558023	Filing Dt:	07/25/1990
Title:	NEAT (SOLVENTLESS) HYDROGENATION OF 4-ACETOXYACETOPHENONE IN THE PRODUCTION OF 4-ACETOXYSTYRENE AND ITS POLYMERS AND HYDROLYSIS PRODUCTS

Patent #:	RE34122	Issue Dt:	11/10/1992	Application #:	07558954	Filing Dt:	07/27/1990
Title:	HOT MELT ADHESIVES CONTAINING POLY(P-HYDROXYSTYRENE) HOMOPOLYMERS AND COPOLYMERS AND BONDING METHODS EMPLOYING SAME

Patent #:	5072025	Issue Dt:	12/10/1991	Application #:	07559759	Filing Dt:	07/26/1990
Title:	3,5-DISUBSTITUTED-4-ACETOXYSTYRENE AND PROCESS FOR ITS PRODUCTION

Patent #:	5130467	Issue Dt:	07/14/1992	Application #:	07595887	Filing Dt:	10/11/1990
Title:	ACRYLATE ESTERS OF 1,1,1-TRISHYDROXPHENYLETHANE

Patent #:	5151546	Issue Dt:	09/29/1992	Application #:	07598510	Filing Dt:	10/15/1990
Title:	PROCESS FOR THE PRODUCTION OF 4-ACETOXYSTYRENE, ITS POLYMERS AND HYDROLYSIS PRODUCTS

Patent #:	5241098	Issue Dt:	08/31/1993	Application #:	07614766	Filing Dt:	11/16/1990
Title:	METHOD FOR PREPARING A SALT OF 4-HYDROXYSTYRENE AND FOR PREPARING 4-TERTIARY-BUTOXYCARBONYLOXYSTYRENE THEREFROM

Patent #:	5087772	Issue Dt:	02/11/1992	Application #:	07614767	Filing Dt:	11/16/1990
Title:	METHOD FOR PREPARING 4-HYDROXYSTYRENE

Patent #:	5239015	Issue Dt:	08/24/1993	Application #:	07706601	Filing Dt:	05/28/1991
Title:	PROCESS FOR MAKING LOW OPTICAL DENSITY POLYMERS AND COPOLYMERS FOR PHOTORESISTS AND OPTICAL APPLICATIONS

Patent #:	5202505	Issue Dt:	04/13/1993	Application #:	07858383	Filing Dt:	03/24/1992
Title:	PURIFICATION OF HYDROXYPHENYL ALKANES

Patent #:	5245074	Issue Dt:	09/14/1993	Application #:	07886990	Filing Dt:	05/21/1992
Title:	PROCESS FOR THE PRODUCTION OF 4-ACETOXYSTYRENE, ITS POLYMERS AND HYDROLYSIS PRODUCTS

Patent #:	5256809	Issue Dt:	10/26/1993	Application #:	07940424	Filing Dt:	09/03/1992
Title:	METHOD FOR PREPARING A SALT OF 4-HYDROXYSTYRENE AND FOR PREPARING 4-TERTIARY-BUTOXYCARBONYLOXYSTYRENE THEREFROM

Patent #:	5210149	Issue Dt:	05/11/1993	Application #:	07968741	Filing Dt:	10/30/1992
Title:	AMPHOTERIC COPOLYMER DERIVED FROM VINYLPYRIDINE & ACETOXYSTYRENE

Patent #:	5264528	Issue Dt:	11/23/1993	Application #:	07977475	Filing Dt:	11/17/1992
Title:	PROCESS FOR THE PREPARATION OF 4-HYDROXYSTYRENE POLYMERS FROM 4-ACETOXYSTYRENE POLYMERS

Patent #:	5232995	Issue Dt:	08/03/1993	Application #:	08003350	Filing Dt:	01/12/1993
Title:	AMPHOTERIC COPOLYMER DERIVED FROM VINYLPYRIDINE & ACETOXYSTYRENE

Patent #:	5274173	Issue Dt:	12/28/1993	Application #:	08036780	Filing Dt:	03/25/1993
Title:	PROCESS FOR THE PRODUCTION OF POLY(4-ACETOXYSTYRENE)

Patent #:	5304610	Issue Dt:	04/19/1994	Application #:	08042358	Filing Dt:	04/02/1993
Title:	AMPHOTERIC COPOLYMER DERIVED FROM VINYLPYRIDINE AND ACETOXYSTYRENE

Patent #:	5312990	Issue Dt:	05/17/1994	Application #:	08069948	Filing Dt:	05/28/1993
Title:	DI-AMINO COMPOUNDS

Patent #:	5300691	Issue Dt:	04/05/1994	Application #:	08069949	Filing Dt:	05/28/1993
Title:	SUBSTITUTED BENZYL AMINES

Patent #:	5312988	Issue Dt:	05/17/1994	Application #:	08069964	Filing Dt:	05/28/1993
Title:	AMINES DERIVED FROM THPE

Patent #:	5300589	Issue Dt:	04/05/1994	Application #:	08069965	Filing Dt:	05/28/1993
Title:	SUBSTITUTED TRIPHENYL COMPOUNDS & PROCESSES FOR PREPARING THE SAME

Patent #:	5346983	Issue Dt:	09/13/1994	Application #:	08070144	Filing Dt:	05/28/1993
Title:	SUBSTITUTED PHENYL COMPOUNDS & PROCESSES FOR PREPARING THE SAME

Patent #:	5274174	Issue Dt:	12/28/1993	Application #:	08075066	Filing Dt:	06/10/1993
Title:	PROCESS FOR THE PRODUCTION OF POLY(4-HYDROXYSTYRENE

Patent #:	5274175	Issue Dt:	12/28/1993	Application #:	08075082	Filing Dt:	06/10/1993
Title:	PROCESS FOR THE PRODUCTION OF 4-ACETOXYPHENYL METHLY CARBINOLAND HYDROLYSIS PRODUCTS

Patent #:	5304690	Issue Dt:	04/19/1994	Application #:	08080897	Filing Dt:	06/22/1993
Title:	PROCESS FOR THE PREPARATION OF SALTS OF 4-HYDROXYSTYRENE

Patent #:	5438142	Issue Dt:	08/01/1995	Application #:	08105824	Filing Dt:	08/10/1993
Title:	FUNCTIONALIZED TRIS (HYDROXYPHENYL) COMPOUNDS

Patent #:	5347051	Issue Dt:	09/13/1994	Application #:	08179788	Filing Dt:	01/11/1994
Title:	PROCESSES FOR PREPARING AMINES

Patent #:	5354907	Issue Dt:	10/11/1994	Application #:	08179789	Filing Dt:	01/11/1994
Title:	AMINES DERIVED FROM THPE & PROCESSES FOR PREPARING THE SAME

Patent #:	5347049	Issue Dt:	09/13/1994	Application #:	08179796	Filing Dt:	01/11/1994
Title:	PROCESSES FOR PREPARING DIAMINO COMPOUNDS

Patent #:	5422417	Issue Dt:	06/06/1995	Application #:	08220770	Filing Dt:	03/31/1994
Title:	SUBSTITUTED PHENYL COMPOUNDS & PROCESSES FOR PREPARING THE SAME

Patent #:	5399766	Issue Dt:	03/21/1995	Application #:	08246539	Filing Dt:	05/20/1994
Title:	AMINES & PROCESSES FOR PREPARING THE SAME

Patent #:	5424387	Issue Dt:	06/13/1995	Application #:	08277715	Filing Dt:	07/20/1994
Title:	DI-AMINO COMPOUNDS & PROCESSES FOR PREPARING THE SAME

Patent #:	5625007	Issue Dt:	04/29/1997	Application #:	08295362	Filing Dt:	08/24/1994
Title:	PROCESS FOR MAKING LOW OPTICAL POLYMERS AND COPOLYMERS FOR PHOTORESISTS AND OPTICAL APPLICATIONS

Patent #:	5463141	Issue Dt:	10/31/1995	Application #:	08358431	Filing Dt:	12/19/1994
Title:	PROCESS FOR PREPARING POLY(4-HYDROXYSTYRENE)

Patent #:	5463108	Issue Dt:	10/31/1995	Application #:	08359098	Filing Dt:	12/19/1994
Title:	PROCESS FOR PREPARING ACETOXYSTYRENE

Patent #:	5493062	Issue Dt:	02/20/1996	Application #:	08359224	Filing Dt:	12/19/1994
Title:	PROCESS FOR PREPARING 4-HYDROXYSTYRENE

Patent #:	5498804	Issue Dt:	03/12/1996	Application #:	08406266	Filing Dt:	03/17/1995
Title:	PROCESS FOR PREPARING 4-HYDROXYPHENYLMETHYLCARBINOL

Patent #:	5453483	Issue Dt:	09/26/1995	Application #:	08406350	Filing Dt:	03/17/1995
Title:	PROCESS FOR PREPARING POLY(4-HYDROXYSTYRENE)

Patent #:	5453481	Issue Dt:	09/26/1995	Application #:	08406351	Filing Dt:	03/17/1995
Title:	PROCESS FOR PREPARING VINYLPHENOL POLYMERS & COPOLYMERS

Patent #:	5565544	Issue Dt:	10/15/1996	Application #:	08491424	Filing Dt:	06/16/1995
Title:	PROCESS FOR PREPARING POLYHYDROXYSTYRENE WITH A NOVOLAK TYPE STRUCTURE

Patent #:	5554719	Issue Dt:	09/10/1996	Application #:	08491464	Filing Dt:	06/16/1995
Title:	POLYHYDROXYSTYRENE WITH A NOVOLAK TYPE STRUCTURE

Patent #:	5523378	Issue Dt:	06/04/1996	Application #:	08529697	Filing Dt:	09/18/1995
Title:	PROCESS FOR PREPARING VINYLPHENOL POLYMERS & COPOLYMERS

Patent #:	5563289	Issue Dt:	10/08/1996	Application #:	08542583	Filing Dt:	10/13/1995
Title:	PROCESS FOR PREPARING ACETOXYSTYRENE

Patent #:	5578687	Issue Dt:	11/26/1996	Application #:	08542584	Filing Dt:	10/13/1995
Title:	PROCESS FOR PREPARING POLY(4-HYDROXYSTYRENE)

Patent #:	5563300	Issue Dt:	10/08/1996	Application #:	08568922	Filing Dt:	12/07/1995
Title:	PROCESS FOR PREPARING 4-HYDROXYPHENYLMETHYLCARBINOL

Assignor

HOECHST CELANESE CORPORATION

Exec Dt:

12/09/1997

Assignee

CLARIANT AG

ROTHAUSTRASSE 61 CH-4132

MUTTENZ, SWITZERLAND

Correspondence name and address
	ARNOLD, WHITE & DURKEE
	GREGORY L. PORTER
	P.O. BOX 4433
	HOUSTON, TEXAS 77210

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