Patent Assignment
Reel/Frame 005142/0890
Assignment of Assignors Interest.
Recorded: 1989-09-21
Pages: 1
Assignors
KENYON, RONALD W.
Executed: 1989-09-14
NEWTON, DAVID FRANCIS
Executed: 1989-09-14
THORP, DEREK
Executed: 1989-09-14
Covered Property
(1)
Polycylic Dyes
Patent:
5,084,580 →
Application:
07/410,630 →
Related Assignments
(3)
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 →
Assignment of Assignor's Interest
Nov 20, 1998
From: ZENECA LIMITED
To: BASF AKTIENGESELLSCHAFT
Reel/Frame 009596/0610 →
Assignment of Assignor's Interest
Oct 3, 2005
From: BASF AKTIENGESELLSCHAFT
To: DYSTAR TEXTILFARBEN GMBH & CO. DEUTSCHLAND KG
Reel/Frame 017065/0084 →