Patent Assignment
Reel/Frame 005607/0507
Assignment of Assignors Interest.
Recorded: 1991-02-14
Pages: 3
Covered Property
(1)
Weather and Heat Resistant Blended Nitrile Polymers
Patent:
5,266,640 →
Application:
07/657,150 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Nov 1, 1993
From: COPOLYMER RUBBER & CHEMICAL CORPORATION
To: DSM COPOLYMER, INC.
Reel/Frame 006796/0036 →
Assignment of Assignor's Interest
Jul 22, 1999
From: DSM COPOLYMER, INC.
To: ZEON CHEMICALS, L.P.
Reel/Frame 010103/0428 →
Assignment of Assignor's Interest
Jul 27, 1999
From: DSM COPOLUMER, INC., A DELAWARE CORPORATION
To: ZEON CHEMICALS, L.P., A DELAWARE LIMITED PARTNERSHIP
Reel/Frame 010121/0380 →