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Patent Assignment Details

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Reel/Frame:	005216/0112			Pages:	4
		Recorded:	08/21/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 27

Patent #:	3636057	Issue Dt:		Application #:	04852088	Filing Dt:
Title:

Patent #:	3816475	Issue Dt:		Application #:	05163040	Filing Dt:
Title:

Patent #:	3862147	Issue Dt:		Application #:	05283639	Filing Dt:
Title:

Patent #:	3979443	Issue Dt:	09/07/1976	Application #:	05283716	Filing Dt:
Title:	PROCESS FOR THE PREPARATION OF ESTERS OF MALEIC ACID WITH MONOHYDRIC A LCOHOLS

Patent #:	3980585	Issue Dt:	09/14/1976	Application #:	05473489	Filing Dt:
Title:	CATALYST AND PROCESS FOR PREPARING MALEIC ANHYDRIDE FROM C. HYDROCARBO NS

Patent #:	4016105	Issue Dt:	04/03/1977	Application #:	05548163	Filing Dt:
Title:	CATALYST PREPARATIVE METHOD

Patent #:	4018709	Issue Dt:	04/19/1977	Application #:	05558738	Filing Dt:
Title:	CATALYST FOR PREPARING MALEIC ANHYDRIDE FROM C. HYDROCARBONS

Patent #:	4056487	Issue Dt:	11/01/1977	Application #:	05618959	Filing Dt:
Title:	VANADIUM PHOSPHORUS OXYGEN OXIDATION CATALYSTS USEFUL FOR PREPARING AN HYDRIDES FROM ALKANES

Patent #:	4081460	Issue Dt:	03/28/1978	Application #:	05640075	Filing Dt:
Title:	PROCESS FOR THE VAPOR PHASE OXIDATION OF BENZENE TO MALEIC ANHYDRIDES

Patent #:	4071539	Issue Dt:		Application #:	05667623	Filing Dt:
Title:

Patent #:	4049574	Issue Dt:		Application #:	05667624	Filing Dt:
Title:	CATALYST AND PROCESS FOR PREPARING MALEIC ANHYDRIDE FROM C. HYDROCARBO NS

Patent #:	4097498	Issue Dt:	06/27/1978	Application #:	05724558	Filing Dt:
Title:	PROCESS FOR PREPARING MALEIC ANHYDRIDE FROM C4 HYDROCARBONS

Patent #:	4179404	Issue Dt:	12/18/1979	Application #:	05750920	Filing Dt:	12/15/1976
Title:	CATALYST PREPARATIVE METHOD

Patent #:	4105586	Issue Dt:	08/08/1978	Application #:	05767499	Filing Dt:
Title:	OXIDATION CATALYSTS AND PROCESS FOR PREPARING ANHYDRIDE FROM ALKANES

Patent #:	4153577	Issue Dt:	05/08/1979	Application #:	05793752	Filing Dt:	05/04/1977
Title:	OXIDATION CATALYSTS AND PROCESS FOR PREPARING ANHYDRIDE FROM ALKANES

Patent #:	4123388	Issue Dt:	10/31/1978	Application #:	05812582	Filing Dt:	07/05/1977
Title:	CATALYST AND PROCESS FOR PREPARING MALEIC ANHYDRIDE FROM C4 HYDROCARBONS

Patent #:	4152338	Issue Dt:	05/01/1979	Application #:	05815902	Filing Dt:	07/15/1977
Title:	OXIDATION CATALYSTS AND PROCESS OF PREPARING ANHYDRIDES FROM ALKANES

Patent #:	4152339	Issue Dt:	05/01/1979	Application #:	05850910	Filing Dt:	11/14/1977
Title:	CATALYST AND PROCESS FOR PREPARING MALEIC ANHYDRIDE FROM C4 HYDROCARBONS

Patent #:	4158671	Issue Dt:	06/19/1979	Application #:	05881032	Filing Dt:	02/24/1978
Title:	OXIDATION CATALYSTS AND PROCESS FOR PREPARING ANHYDRIDE FROM ALKANES

Patent #:	4167516	Issue Dt:	09/11/1979	Application #:	05881196	Filing Dt:	02/27/1978
Title:	OXIDATION CATALYSTS AND PROCESS FOR PREPARING ANHYDRIDE FROM ALKANES

Patent #:	4202826	Issue Dt:	05/13/1980	Application #:	05898663	Filing Dt:	04/21/1978
Title:	OXIDATION CATALYSTS AND PROCESS FOR PREPARING ANHYDRIDE FROM ALKANES

Patent #:	RE30430	Issue Dt:	11/04/1980	Application #:	06014833	Filing Dt:	02/26/1979
Title:	CATALYST TREATMENT

Patent #:	4251390	Issue Dt:	02/17/1981	Application #:	06047323	Filing Dt:	06/11/1979
Title:	PARTIAL OXIDATION CATALYST

Patent #:	4283307	Issue Dt:	08/11/1981	Application #:	06155556	Filing Dt:	06/02/1980
Title:	CATALYST STRUCTURE FOR THE PARTIAL OXIDATION OF N-BUTANE TO PRODUCE MALEIC ANHYDRIDE

Patent #:	4565880	Issue Dt:	01/21/1986	Application #:	06508870	Filing Dt:	06/29/1983
Title:	MALEIC ANHYDRIDE PROCESS

Patent #:	4515899	Issue Dt:	05/07/1985	Application #:	06561320	Filing Dt:	12/14/1983
Title:	STEAM REGENERATION OF PHOSPHORUS TREATED VANADIUM-PHOSPHORUS-OXYGEN CATALYSTS

Patent #:	4596878	Issue Dt:	06/24/1986	Application #:	06645329	Filing Dt:	08/29/1984
Title:	PROCESS FOR THE PRODUCTION OF MALEIC ANHYDRIDE

Assignor

Exec Dt:

06/23/1989

Assignee

Correspondence name and address
	KENNETH H. JOHNSON
	1800 AUGUSTA DRIVE
	HOUSTON, TX 77057

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