Patent Assignment
Reel/Frame 006090/0597
Assignment of Assignors Interest.
Recorded: 1992-04-20
Pages: 3
Assignors
CHEN, PAUL N., SR.
Executed: 1989-09-25
GLICK, MORTON
Executed: 1989-09-25
VORA, ROHITKUMAR H.
Executed: 1989-09-25
JAFFE, MICHAEL
Executed: 1989-09-25
Assignee
HOECHST CELANESE CORPORATION A CORPORATION OF DE
86 MORRIS AVENUE, SUMMIT, NEW JERSEY, 07901
Covered Property
(1)
Novel Miscible Blends of Polybenzimidazoles and Polyamide-Imides Having Fluorine-Containing Linking Groups and Process for Preparation of the Blends
Patent:
5,137,985 →
Application:
07/411,351 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0147 →
Assignment of Assignor's Interest
Nov 14, 2005
From: AVENTIS PHARMA DEUTSCHLAND GMBH
To: CELANESE VENTURES GMBH
Reel/Frame 017223/0711 →
Assignment of Assignor's Interest
Nov 14, 2005
From: CLEANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017230/0181 →
Assignment of Assignor's Interest
Nov 14, 2005
From: HOECHST AG
To: AVENTIS PHARMA DEUTSCHLAND
Reel/Frame 017223/0694 →
Assignment of Assignor's Interest
Nov 18, 2005
From: HOECHST AG
To: AVENTIS PHARMA DEUTSCHLAND
Reel/Frame 017240/0846 →
Assignment of Assignor's Interest
Nov 19, 2005
From: CELANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017325/0323 →
Assignment of Assignor's Interest
Nov 19, 2005
From: AVENTIS PHARMA DEUTSCHLAND
To: CELANESE VENTURES GMBH
Reel/Frame 017275/0116 →