Patent Assignment
Reel/Frame 013463/0177
Assignment of Assignor's Interest
Recorded: 2002-11-06
Pages: 7
Assignor
CLEARWATER, INC.
Executed: 2002-10-25
Assignee
CLEARWATER INTERNATIONAL, L.L.C.
515 POST OAK BLVD., SUITE 600, HOUSTON, TEXAS, 77027
Covered Properties
(4)
Ferric Alkyl Amine Citrates and Methods of Making Them
Patent:
5,693,837 →
Application:
08/684,099 →
Eutectic Drying Composition and Method
Patent:
5,733,841 →
Application:
08/768,793 →
Treating Coal and Other Piled Materials to Inhibit Freeze Binding
Patent:
6,495,063 →
Application:
09/943,998 →
Invert emulsion drilling fluid and process
Application:
60/328,607 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 22, 1996
From: SMITH, KEVIN W.; PERSINSKI, LEONARD J.
To: CLEARWATER, INC.
Reel/Frame 008110/0704 →
Assignment of Assignor's Interest
Aug 31, 2001
From: SMITH, KEVIN W.; STANLEY, MARK E.
To: CLEARWATER, INC.
Reel/Frame 012142/0246 →
Assignment of Assignor's Interest
Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →