IP Library Assignment 012360/0173
Patent Assignment
Reel/Frame 012360/0173

Assignment of Assignor's Interest

Recorded: 2001-12-04 Pages: 2
Assignors
OBRECHT, WERNER
Executed: 2001-10-05
SUMNER, ANTHONY
Executed: 2001-10-05
Assignee
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN, D-51368 LEVERKUSEN, GERMANY
Covered Property (1)
Nbr Gels in Butyl Rubber Compounds
Patent: 6,620,886 →
Application: 10/005,442 →
Publication: US 2002/0111432
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 1, 2006
From: BAYER AG
To: LANXESS DEUTSCHLAND GMBH
Reel/Frame 018584/0319 →