Patent Assignment
Reel/Frame 009845/0098
Assignment of Assignor's Interest
Recorded: 1999-03-26
Pages: 3
Assignor
CALTA JEFFREY S.
Executed: 1998-12-08
Assignee
WITCO CORPORATION
ONE AMERICAN LANE, GREENWICH, CONNECTICUT, 06813
Covered Property
(1)
Process for Extracting Tar from Tarsand
Patent:
5,746,909 →
Application:
08/744,764 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 6, 1996
From: CALTA, JEFFREY S.
To: WITCO CORPORATION
Reel/Frame 008309/0210 →
Change of Name
Dec 30, 2002
From: CK WITCO CORPORATION
To: CROMPTON CORPORATION
Reel/Frame 013625/0011 →
Merger
Dec 30, 2002
From: WITCO CORPORATION
To: CK WITCO CORPORATION
Reel/Frame 013625/0515 →
Assignment of Assignor's Interest
Dec 30, 2002
From: CROMPTON CORPORATION
To: CROMPTON INDUSTRIAL SPECIALTIES, INC.
Reel/Frame 013625/0524 →
Change of Name
Dec 19, 2003
From: CROMPTON INDUSTRIAL SPECIALTIES, INC.
To: AKZO NOBEL INDUSTRIAL SPECIALTIES INC.
Reel/Frame 014210/0125 →
Merger
Jan 16, 2004
From: AKZO NOBEL INDUSTRIAL SPECIALTIES INC.
To: AKZO NOBEL SURFACE CHEMISTRY LLC
Reel/Frame 014261/0754 →