Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 010832/0696 | |
| Pages: | 3 |
| | Recorded: | 05/23/2000 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
6
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Patent #:
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Issue Dt:
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03/16/1993
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Application #:
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07773631
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Filing Dt:
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11/15/1991
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Title:
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USE OF SELECTED OLEOPHILIC ALCOHOLS IN WATER-BASED DRILLING FLUIDS OF THE O/W-EMULSION TYPE AND CORRESPONDING DRILLING FLUIDS WITH IMPROVED ECOLOGICAL ACCEPTABILITY
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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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Title:
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OLEOPHILIC BASIC AMINE COMPOUNDS AS AN ADDITIVE FOR INVERT DRILLING MUDS
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Patent #:
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Issue Dt:
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09/20/1994
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Application #:
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08054462
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Filing Dt:
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04/28/1993
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Title:
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OLEOPHILIC ALCOHOLS AS A CONSTITUENT OF INVERT DRILLING FLUIDS
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Patent #:
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Issue Dt:
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06/07/1994
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Application #:
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08055409
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Filing Dt:
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04/29/1993
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Title:
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USE OF SELECTED ESTER OILS IN WATER-BASED DRILLING FLUIDS OF THE O/W EMULSION TYPE AND CORRESPONDING DRILLING FLUIDS WITH IMPROVED ECOLOGICAL ACCEPTABILITY
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Patent #:
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Issue Dt:
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04/04/1995
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Application #:
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08068563
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Filing Dt:
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05/27/1993
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Title:
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ESTERS OF CARBOXYLIC ACIDS OF MEDIUM CHAIN-LENGTH AS A COMPONENT OF THE OIL PHASE IN INVERT DRILLING MUDS
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Patent #:
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Issue Dt:
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06/07/1994
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Application #:
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08084783
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Filing Dt:
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06/29/1993
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Title:
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USE OF SELECTED ESTER OILS OF LOW CARBOXYLIC ACIDS IN DRILLING FLUIDS
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Assignees
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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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Correspondence name and address
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CONNOLLY BOVE LODGE & HUNTZ
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WILLIAM E. MCSHANE
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1220 MARKET STREET
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P.O. BOX 2207
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WILMINGTON, DE 19899
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