Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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03/05/1985
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Application #:
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06530569
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Filing Dt:
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09/09/1983
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Inventors:
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DAVID M. GIDDINGS, DONALD G. RIES, ALLEN R. SYRINEK
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Title:
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TERPOLYMERS FOR USE AS HIGH TEMPERATURE FLUID LOSS ADDITIVE AND RHEOLOGY STABILIZER FOR HIGH PRESSURE, HIGH TEMPERATURE OIL WELL DRILLING FLUIDS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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A DE CORP. |
OAK BROOK, ILLINOIS |
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JOHN G. PREMO |
PATENT & LICENSING DEPT. |
NALCO CHEMICAL COMPANY |
2901 BUTTERFIELD ROAD |
OAK BROOK, IL 60521 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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LIMITED PARTNERSHIP |
7705 HIGHWAY 90-A |
SUGARLAND, TEXAS 77478 |
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NALCO CHEMICAL COMPANY |
ROBERT A. MILLER |
PATENT & LICENSING DEPT. |
ONE NALCO CENTER |
NAPERVILLE, IL 60563-1198 |
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