Patent Assignment
Reel/Frame 008788/0988
Assignment of Assignor's Interest
Recorded: 1997-08-26
Pages: 2
Assignor
KLEINER, HANSS-JERG
Executed: 1997-08-12
Assignee
HOECHST AG
D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Process for the Preparation of 2-Cyanoethylphosphinic Esters
Patent:
5,990,337 →
Application:
08/921,654 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 25, 1999
From: HOECHST AKTIENGESELLSCHAFT
To: TICONA GMBH
Reel/Frame 009727/0088 →
Assignment of Assignor's Interest
May 16, 2016
From: TICONA GMBH
To: NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
Reel/Frame 038687/0784 →
Change of Name
May 16, 2016
From: NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
To: CELANESE SALES GERMANY GMBH
Reel/Frame 038689/0595 →