Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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10/19/1993
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Application #:
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07825436
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Filing Dt:
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01/21/1992
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Inventors:
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DOUGLAS J. GRIMES, HEINZ MUELLER, CLAUS-PETER HEROLD, STEPHAN VON TAPAVICZA
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Title:
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OLEOPHILIC BASIC AMINE COMPOUNDS AS AN ADDITIVE FOR INVERT DRILLING MUDS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 197 KNIGHTS BRIDGE |
| LONDON, ENGLAND |
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| CONNOLLY AND HUTZ |
| WILLIAM E. MCSHANE |
| 1220 MARKET STREET |
| P.O. BOX 2207 |
| WILMINGTON, DE 19899 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| D-40191 |
| HENKELSTRASSE 67 |
| DUESSELDORF, GERMANY |
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| D-40191 |
| 197 KNIGHTS BRIDGE |
| LONDON, ENGLAND |
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| CONNOLLY BOVE LODGE & HUNTZ |
| WILLIAM E. MCSHANE |
| 1220 MARKET STREET |
| P.O. BOX 2207 |
| WILMINGTON, DE 19899 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| HENKELSTRASSE 67 |
| DUESSELDORF, GERMANY 40589 |
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| COGNIS CORPORATION |
| JOHN E. DRACH |
| 300 BROOKSIDE AVENUE |
| PATENT DEPARTMENT |
| AMBLER, PA 19002 |
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