Patent Assignment
Reel/Frame 006234/0852
Assignment of Assignors Interest.
Recorded: 1992-08-05
Pages: 2
Assignors
ROSCHER, GUNTER
Executed: 1992-07-02
KLEINER, HANS-JERG
Executed: 1992-07-02
BERGER, HARALD
Executed: 1992-07-02
SCHMIDT, MANFRED
Executed: 1992-07-02
UHMANN, RAINER
Executed: 1992-07-02
BOTTGER, DIRK
Executed: 1992-07-02
Assignee
HOECHST AKTIENGESELLSCHAFT
A CORP. OF REPUBLIC OF GERMANY, D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property
(1)
Process for the Preparation of Pure Propanephosphonic Anhydride
Patent:
5,319,138 →
Application:
07/926,495 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 5, 2000
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 010881/0555 →
Change of Name
Jul 17, 2006
From: CLARIANT GMBH
To: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
Reel/Frame 018224/0534 →
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 →