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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	4463167	Issue Dt:	07/31/1984	Application #:	06477093	Filing Dt:	03/21/1983
Inventors:	EUI W. CHOE, ANTHONY B. CONCIATORI, BENNETT C. WARD
Title:	TWO STAGE HIGH MOLECULAR WEIGHT POLYBENZIMIDAZOLE PRODUCTION WITH PHOSPHORUS CONTAINING CATALYST

Assignment: 1

Reel/Frame:

004257/0610

Recorded: 05/17/1984

Pages: 2

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors:

CHOE, EUI W.

Exec Dt:

03/16/1983

CONCIATORI, ANTHONY B.

Exec Dt:

03/16/1983

WARD, BENNETT C.

Exec Dt:

03/13/1983

Assignee:

CELANESE CORPORATION 1211 AVENUE OF THE AMERICAS NEW YORK NEW YORK 10036 A CORP OF DE

NEW YORK

Correspondent:

CHARLES B. BARRIS

CELANSES RES. CO., 86 MORRIS AVE.

SUMMIT, NJ 07901

Assignment: 2

Reel/Frame:

009534/0147

Recorded: 11/24/1998

Pages: 6

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

HOECHST CELANESE CORPORATION

Exec Dt:

12/30/1997

Assignee:

HOECHST AKTIENGESELLSCHAFT

FRANKFURT AM MAIN, GERMANY D-659

Correspondent:

HNA HOLDINGS, INC.

JAMES L. MCGIANIS

86 MORRIS AVENUE

SUMMIT, NJ 07901

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