Patent Assignment
Reel/Frame 007876/0117
Assignment of Assignor's Interest
Recorded: 1996-01-17
Pages: 2
Assignors
RIEDEL, KNUT
Executed: 1996-01-02
DETTMEIER, UDO
Executed: 1996-01-02
ROSCHER, GUENTER
Executed: 1996-01-02
Assignee
HOECHST AKTIENGESELLSCHAFT
BUILDING K-801, PATENT AND LICENSING DEPARTMENT, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Process for Preparing Dimethyl Vinylphosphonate from Dimethyl 2-Acetoxyethanephosphonate
Patent:
5,763,637 →
Application:
08/587,645 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 5, 1998
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 009558/0062 →
Change of Name
Aug 23, 2006
From: CLARIANT GMBH
To: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
Reel/Frame 018148/0817 →
Assignment of Assignor's Interest
Aug 31, 2006
From: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
To: ARCHIMICA GMBH
Reel/Frame 018184/0765 →