Patent Assignment
Reel/Frame 006453/0291
Assignment of Assignors Interest.
Recorded: 1993-02-18
Pages: 2
Assignee
MILES INC.
PATENT DEPARTMENT, MOBAY ROAD, PITTSBURGH, PENNSYLVANIA, 15205
Covered Property
(1)
Trimer Catalyst for Aliphatic and Aromatic Isocyanates
Patent:
5,905,151 →
Application:
08/018,830 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jul 14, 1995
From: MILES INC.
To: BAYER CORPORATION
Reel/Frame 007571/0107 →
Assignment of Assignor's Interest
Jun 17, 2015
From: BAYER CORPORATION
To: BAYER MATERIALSCIENCE LLC
Reel/Frame 035929/0637 →
Change of Name
Oct 16, 2015
From: BAYER MATERIALSCIENCE LLC
To: COVESTRO LLC
Reel/Frame 036876/0585 →