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Total properties:
11
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Patent #:
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Issue Dt:
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10/24/1995
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Application #:
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07955738
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Filing Dt:
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12/07/1992
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Title:
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FLUID-DRILL-HOLE TREATMENT AGENTS BASED ON CARBONIC ACID DIESTERS
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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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Patent #:
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Issue Dt:
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08/15/1995
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Application #:
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08336726
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Filing Dt:
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11/09/1994
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Title:
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FLUID DRILL-HOLE TREATMENT AGENTS BASED ON POLYCARBOXYLIC ACID DIESTERS
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Patent #:
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Issue Dt:
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03/05/1996
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Application #:
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08349396
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Filing Dt:
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12/05/1994
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Title:
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ADDITIVE-CHARGED POROUS CARRIER MATERIAL
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Patent #:
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Issue Dt:
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05/26/1998
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Application #:
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08783770
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Filing Dt:
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01/15/1997
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Title:
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WASTE DISPOSAL OF CONTAMINATED DRILL CUTTINGS FROM GEOLOGICAL DRILLINGUSING DRILLING FLUID SYSTEMS CONTAINING MINERAL OIL
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Patent #:
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Issue Dt:
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09/18/2001
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Application #:
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09297480
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Filing Dt:
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07/02/1999
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Title:
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USE OF BIODEGRADABLE ALCOXYLATION PRODUCTS FOR CLEANING BOREHOLES, BORING INSTRUMENTS OR BORINGS
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Patent #:
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Issue Dt:
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12/26/2000
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Application #:
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09297481
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Filing Dt:
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04/30/1999
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Title:
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PROCESS FOR THE FACILITATED WASTE DISPOSAL OF WORKING SUBSTANCES BASED ON WATER-IN-OIL INVERT EMULSIONS
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Patent #:
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Issue Dt:
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10/19/2004
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Application #:
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09856082
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Filing Dt:
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08/24/2001
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Title:
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LUBRICANTS FOR DRILLING FLUIDS
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