IP Library Assignment 022976/0862
Patent Assignment
Reel/Frame 022976/0862

Assignment of Assignor's Interest

Recorded: 2009-07-17 Pages: 2
Assignors
RICHTER, FRANK
Executed: 2009-04-15
HALPAAP, REINHARD
Executed: 2009-04-15
Assignee
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING, BUILDING Q 18, LEVERKUSEN, 51368, GERMANY
Covered Property (1)
Preparation of Polyisocyanates of the Trimer Type
Patent: 8,097,691 →
Application: 12/402,855 →
Publication: US 2009/0234091
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 30, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038399/0469 →