Patent Assignment
Reel/Frame 006877/0327
Assignment of Assignor's Interest
Recorded: 1994-02-28
Pages: 5
Assignor
UNICHEM INTERNATIONAL, INC.
Executed: 1994-02-09
Assignee
WESTERN COMPANY OF NORTH AMERICA, THE
515 POST OAK BOULEVARD, SUITE 1200, HOUSTON, TEXAS, 77027
Covered Properties
(3)
Asphaltic Compositions
Patent:
4,721,529 →
Application:
06/822,782 →
Stabilized Ammonium Polysulfide Solutions and Process Utilizing Same
Patent:
5,376,749 →
Application:
08/131,720 →
Biocide Treatment System and Method
Patent:
5,453,207 →
Application:
08/146,590 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 27, 1986
From: MULLINS, TROY E.
To: UNICHEM INTERNATIONAL INC.
Reel/Frame 004511/0169 →
Assignment of Assignor's Interest
Dec 7, 1993
From: MILLER, RICHARD F.; MORSELANDER, EUGENE H.
To: UNICHEM INTERNATIONAL INC.
Reel/Frame 006790/0696 →
Assignment of Assignor's Interest
Dec 9, 1993
From: LAXTON, GARRY D.; SIMPSON, GREGORY D.; MCCULLOUGH, HAROLD T.; MILLER, JAY T.
To: UNICHEM INTERNATIONAL INCORPORATED
Reel/Frame 006794/0353 →
Assignment of Assignor's Interest
Jun 19, 1995
From: WESTERN COMPANY OF NORTH AMERICA, THE
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 007526/0440 →
Assignment of Assignor's Interest
Oct 31, 2001
From: BJ SERVICES COMPANY, U.S.A.
To: BJ SERVICES COMPANY
Reel/Frame 012333/0812 →