Patent Assignment
Reel/Frame 010101/0141
Assignment of Assignor's Interest
Recorded: 1999-06-25
Pages: 2
Assignors
TAFESH, AHMED
Executed: 1999-03-31
KRAUSE, JOCHEN
Executed: 1999-02-18
KRAUSE, JOCHEN DR.
Executed: 1999-02-18
Assignee
AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG
65926 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Process for Telomerizing Dienes
Patent:
6,150,298 →
Application:
09/242,918 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 6, 2000
From: HOECHST RESEARCH & TECHNOLOGY GMBH & CO. KG
To: AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG
Reel/Frame 010658/0945 →
Assignment of Assignor's Interest
Mar 6, 2000
From: AVENTIS RESEARCH TECHNOLOGIES GMBH & CO. KG
To: CELANESE GMBH
Reel/Frame 010658/0961 →
Change of Name
Jan 5, 2001
From: CELANESE GMBH
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 011751/0712 →