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Dorothy P. Enright
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for preserving core sample integrity
Patent number
6,283,228
Issue date
Sep 4, 2001
Baker Hughes Incorporated
Pierre Emmanuel Collee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for preserving core sample integrity
Patent number
5,881,825
Issue date
Mar 16, 1999
Baker Hughes Incorporated
Pierre E. Collee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and composition for preserving core sample integrity using a...
Patent number
5,560,438
Issue date
Oct 1, 1996
Baker Hughes Incorporated
Pierre E. Collee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and composition for preserving core sample integrity using a...
Patent number
5,546,798
Issue date
Aug 20, 1996
Baker Hughes Incorporated
Pierre E. Collee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling fluid methods and composition
Patent number
5,099,930
Issue date
Mar 31, 1992
Baker Hughes Incorporated
Dorothy P. Enright
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Drilling fluid methods and composition
Patent number
5,007,489
Issue date
Apr 16, 1991
Baker Hughes Incorporated
Dorothy P. Enright
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified non-polluting liquid phase shale swelling inhibition drill...
Patent number
4,963,273
Issue date
Oct 16, 1990
Baker Hughes Incorporated
Alphonse C. Perricone
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified non-polluting liquid phase shale swelling inhibition drill...
Patent number
4,941,981
Issue date
Jul 17, 1990
Baker Hughes Incorporated
Alphonse C. Perricone
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Modified non-polluting liquid phase shale swelling inhibition drill...
Patent number
4,830,765
Issue date
May 16, 1989
Baker Hughes Incorporated
Alphonse C. Perricone
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous drilling fluid additive
Patent number
4,309,329
Issue date
Jan 5, 1982
Milchem Incorporated
James M. Lucas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Drilling fluid containing a copolymer filtration control agent
Patent number
4,293,427
Issue date
Oct 6, 1981
Milchem Incorporated
James M. Lucas
E21 - EARTH DRILLING MINING
Information
Patent Grant
Aqueous drilling fluid additive, composition and process
Patent number
4,288,582
Issue date
Sep 8, 1981
Milchem Incorporated
James M. Lucas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous drilling fluid additive, composition and process
Patent number
4,268,400
Issue date
May 19, 1981
Milchem Incorporated
James M. Lucas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Method for preserving core sample integrity
Publication number
20010000393
Publication date
Apr 26, 2001
Pierre Emmanuel Collee
E21 - EARTH DRILLING MINING