Patent Assignment
Reel/Frame 007922/0018
Assignment of Assignor's Interest
Recorded: 1996-04-30
Pages: 2
Assignors
DREWES, ROLF
Executed: 1995-03-20
KOLB, MARKUS
Executed: 1995-03-20
KUHN, KARL JOSEF
Executed: 1995-03-20
SANDER, HANS-JURGEN
Executed: 1995-03-20
WEHNER, WOLFGANG
Executed: 1995-03-20
Assignee
CIBA-GEIGY CORPORATION
520 WHITE PLAINS ROAD, P.O. BOX 2005, TARRYTOWN, NEW YORK, 10591
Covered Property
(1)
Stabilized Flexible Pvc
Patent:
5,543,449 →
Application:
08/419,310 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →