Patent Assignment
Reel/Frame 012306/0203
Assignment of Assignor's Interest
Recorded: 2001-11-13
Pages: 4
Assignors
HOU, PETER WANGQI
Executed: 2001-11-04
ZHU, YUN-PENG
Executed: 2001-11-07
FEUERBACHER, DAVID G.
Executed: 2001-11-05
Assignee
CROMPTON CORPORATION
BENSON ROAD, MIDDLEBURY, CONNECTICUT, 06749
Covered Property
(1)
Emulsifier for oil-based drilling fluids
Application:
09/987,047 →
Publication:
US 2003/0130135
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →