Patent Assignment
Reel/Frame 004972/0670
Assignment of Assignors Interest.
Recorded: 1988-11-14
Pages: 1
Assignee
POLYVINYL CHEMIE HOLLAND BV, A CORP. OF HOLLAND
SLUISWEG 10, 5140 AC, WAALWIJK, HOLLAND, NETHERLANDS
Covered Property
(1)
Aqueous Dispersions
Patent:
5,137,961 →
Application:
07/244,397 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 29, 1994
From: IMPERIAL CHEMICAL INDUSTRIES PLC
To: ZENECA LIMITED
Reel/Frame 006965/0039 →
Change of Name
Sep 28, 2001
From: POLYVINYL CHEMIE HOLLAND B.V.
To: AVECIA B.V.
Reel/Frame 012199/0441 →
Change of Name
Sep 28, 2001
From: ZENECA RESINS B.V.
To: AVECIA B.V.
Reel/Frame 012211/0034 →
Assignment of Assignor's Interest
Apr 24, 2006
From: AVECIA B.V.
To: DSM IP ASSETS B V.
Reel/Frame 017527/0123 →