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Patent Assignment Details

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Reel/Frame:	013897/0218			Pages:	11
		Recorded:	03/27/2003
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Total properties: 26

Patent #:	4465658	Issue Dt:	08/14/1984	Application #:	06503786	Filing Dt:	06/13/1983
Title:	CHLORINE DIOXIDE PROCESS

Patent #:	4473540	Issue Dt:	09/25/1984	Application #:	06511549	Filing Dt:	07/07/1983
Title:	HIGH EFFICIENCY CHLORINE DIOXIDE PROCESS

Patent #:	4678655	Issue Dt:	07/07/1987	Application #:	06636506	Filing Dt:	08/01/1984
Title:	ACID RECOVERY IN CLORINE DIOXIDE GENERATION

Patent #:	4627969	Issue Dt:	12/09/1986	Application #:	06649923	Filing Dt:	09/13/1984
Title:	PRODUCTION OF CHLORINE DIOXIDE

Patent #:	4729817	Issue Dt:	03/08/1988	Application #:	06810590	Filing Dt:	12/19/1985
Title:	PROCESS FOR THE OXIDATIVE DELIGNIFICATION OF DEMETHYLATED CHEMICAL PULP

Patent #:	4683039	Issue Dt:	07/28/1987	Application #:	06813078	Filing Dt:	12/24/1985
Title:	MEMBRANE PERVAPORATION PROCESS

Patent #:	4731169	Issue Dt:	03/15/1988	Application #:	06924570	Filing Dt:	10/29/1986
Title:	SELECTIVE REMOVAL OF CHLORINE FROM SOLUTIONS OF CHLORINE DIOXIDE AND CHLORINE

Patent #:	4767510	Issue Dt:	08/30/1988	Application #:	07057107	Filing Dt:	06/03/1987
Title:	ELECTROLYTIC PROTECTION OF CHLORINE DIOXIDE

Patent #:	4853096	Issue Dt:	08/01/1989	Application #:	07156965	Filing Dt:	02/18/1988
Title:	PRODUCTION OF CHLORINE DIOXIDE IN AN ELECTROLYTIC CELL

Patent #:	4915927	Issue Dt:	04/10/1990	Application #:	07260500	Filing Dt:	10/21/1988
Title:	PRODUCTION OF CHLORIC ACID

Patent #:	4931268	Issue Dt:	06/05/1990	Application #:	07399398	Filing Dt:	08/28/1989
Title:	PRODUCTION OF CHLORINE DIOXIDE

Patent #:	5174868	Issue Dt:	12/29/1992	Application #:	07570791	Filing Dt:	08/22/1990
Title:	CHLORINE DIOXIDE GENERATION FROM CHLORIC ACID

Patent #:	5066477	Issue Dt:	11/19/1991	Application #:	07584494	Filing Dt:	09/18/1990
Title:	PRODUCTION OF CHLORINE DIOXIDE

Patent #:	5116595	Issue Dt:	05/26/1992	Application #:	07688438	Filing Dt:	04/22/1991
Title:	METATHESIS OF ACIDIC BY-PRODUCT OF CHLORINE DIOXIDE GENERATING PROCESS

Patent #:	5205995	Issue Dt:	04/27/1993	Application #:	07844231	Filing Dt:	03/02/1992
Title:	METATHESIS OF ACIDIC BY-PRODUCT OF CHLORINE DIOXIDE GENERATING APPARATUS

Patent #:	5277768	Issue Dt:	01/11/1994	Application #:	07863247	Filing Dt:	04/03/1992
Title:	MEMBRANE CELL WASHING

Patent #:	5366714	Issue Dt:	11/22/1994	Application #:	07895675	Filing Dt:	06/09/1992
Title:	HYDROGEN PEROXIDE-BASED CHLORINE DIOXIDE PROCESS

Patent #:	5256261	Issue Dt:	10/26/1993	Application #:	07933108	Filing Dt:	08/21/1992
Title:	MEMBRANE CELL OPERATION

Patent #:	5284553	Issue Dt:	02/08/1994	Application #:	08042784	Filing Dt:	04/06/1993
Title:	CHLORINE DIOXIDE GENERATION FROM CHLORIC ACID

Patent #:	5399332	Issue Dt:	03/21/1995	Application #:	08138640	Filing Dt:	10/20/1993
Title:	DYNAMIC LEACHING PROCEDURE FOR METATHESIS

Patent #:	5593653	Issue Dt:	01/14/1997	Application #:	08294604	Filing Dt:	08/23/1994
Title:	METATHESIS OF ACIDIC BY-PRODUCT OF CHLORINE DIOXIDE GENERATING PROCESS

Patent #:	5676920	Issue Dt:	10/14/1997	Application #:	08700110	Filing Dt:	08/20/1996
Title:	CHLORINE DIOXIDE GENERATING PROCESS

Patent #:	5851374	Issue Dt:	12/22/1998	Application #:	08781045	Filing Dt:	01/09/1997
Title:	PROCESS FOR PRODUCTION OF CHLORINE DIOXIDE

Patent #:	5948236	Issue Dt:	09/07/1999	Application #:	08912171	Filing Dt:	08/15/1997
Title:	DETERMINATION OF CHLORATE ION CONCENTRATION USING MICROELECTRODES

Patent #:	6251357	Issue Dt:	06/26/2001	Application #:	09327529	Filing Dt:	06/08/1999
Title:	HIGH PURITY ALKALI METAL CHLORITE AND METHOD OF MANUFACTURE

Patent #:	6555085	Issue Dt:	04/29/2003	Application #:	09774033	Filing Dt:	01/31/2001
Publication #:	US20020037248	Pub Dt:	03/28/2002
Title:	METHOD OF IMPROVING YIELD OF CHLORINE DIOXIDE GENERATION PROCESSES

Assignor

Exec Dt:

12/19/2002

Assignee

STERLING PULP CHEMICALS, A DIVISION OF SUPERIOR PROPANE INC.

SUITE 200, 302 THE WEST MALL

TORONTO, ONTARIO, CANADA M9B 6CT

Correspondence name and address
	MICHAEL I. STEWART
	6TH FLOOR, 330 UNIVERSITY AVENUE
	TORONTO, ONTARIO, CANADA M5G 1R7

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