Patent Assignment
Reel/Frame 007738/0715
Assignment of Assignor's Interest
Recorded: 1995-11-20
Pages: 2
Assignors
DREWES, ROLF
Executed: 1994-03-23
KOLB, MARKUS
Executed: 1994-03-23
KUHN, KARL
Executed: 1994-03-23
WEHNER, WOLFGANG
Executed: 1994-03-23
Assignee
CIBA-GEIGY CORPORATION
P.O. BOX 2005, 520 WHITE PLAINS ROAD, TARRYTOWN, NEW YORK, 10591
Covered Property
(1)
Stabilized Polyvinyl Chloride
Patent:
5,492,949 →
Application:
08/226,620 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008454/0062 →
Assignment of Assignor's Interest
Oct 26, 1998
From: CIBA SPECIALTY CHEMICALS CORPORATION
To: WITCO VINYL ADDITIVES GMBH
Reel/Frame 009833/0189 →
Change of Name
Mar 19, 2002
From: CK WITCO VINYL ADDITIVES GMBH
To: CROMPTON VINYL ADDITIVES GMBH
Reel/Frame 012721/0457 →
Change of Name
Mar 19, 2002
From: WITCO VINYL ADDITIVES GMBH
To: CK WITCO VINYL ADDITIVES GMBH
Reel/Frame 012721/0465 →
Change of Name
Nov 3, 2006
From: CROMPTON VINYL ADDITIVES GMBH
To: CHEMTURA VINYL ADDITIVES GMBH
Reel/Frame 018686/0008 →