Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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07/02/1991
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Application #:
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07414978
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Filing Dt:
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09/29/1989
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Inventors:
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WILLY OPITZ, HEINZ MUELLER, CLAUS-PETER HEROLD, STEPHAN VON TAPAVICZA
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Title:
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DRILLING MUD ADDITIVES BASED ON A POLYMER MIXTURE, THEIR USE, AND A PROCESS FOR THEIR PRODUCTION
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| HENKELSTRASSE 67, POSTFACH 1100, |
| D-4000 DUESSELDORF 1,, GERMANY |
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| DAMMSTRASSE 70-80, |
| 5200 SIEGBURG,, GERMANY |
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| HENRY E. MILLSON, JR. |
| LAW DEPT., HENKEL CORPORATION |
| 300 BROOKSIDE AVE. |
| AMBLER, PA 19002 |
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