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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
06/25/1985
Application #:
06416935
Filing Dt:
09/13/1982
Inventors:
S. RICHARD TURNER, THAD O. WALKER, DENNIS G. PEIFFER, ROBERT D. LUNDBERG
Title:
DRILLING FLUIDS BASED ON SULFONATED THERMOPLASTIC POLYMERS HAVING IMPROVED LOW TEMPERATURE RHEOLOGICAL PROPERTIES
Assignment: 1
Reel/Frame:
004382/0414Recorded: 04/03/1985Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/28/1982
Exec Dt:
08/10/1982
Exec Dt:
07/28/1982
Exec Dt:
07/28/1982
Assignee:
FLORHAM PARK, NEW JERSEY 07932
Correspondent:
EXXON RESEARCH AND ENGINEERING CO.
P. O. BOX 390
FLORHAM PARK, NJ 07932
Assignment: 2
Reel/Frame:
012312/0854Recorded: 12/07/2001Pages: 10
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/14/2001
Assignee:
7701 HIGHWAY 90-A
SUGAR LAND, TEXAS 77478
Correspondent:
ONDEO NALCO COMPANY
MICHAEL B. MARTIN
ONDEO NALCO CENTER
NAPERVILLE, IL 60563-1198

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