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Robert A. Marble
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Sugar Land, TX, US
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last 30 patents
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Patent Grant
Aqueous dispersion of an oil soluble demulsifier for breaking crude...
Patent number
6,294,093
Issue date
Sep 25, 2001
Nalco/Exxon Energy Chemicals, L.P.
Radhakrishnan Selvarajan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Enhanced corrosion protection by use of friction reducers in conjuc...
Patent number
5,939,362
Issue date
Aug 17, 1999
Nalco/Exxon Energy Chemicals, L.P.
John D. Johnson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for separating oil from water in petroleum production
Patent number
5,643,460
Issue date
Jul 1, 1997
Nalco/Exxon Energy Chemicals, L.P
Robert A. Marble
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for clarifying wastewater containing surfactants
Patent number
5,433,863
Issue date
Jul 18, 1995
Nalco Chemical Company
Michael L. Braden
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Water clarification
Patent number
5,332,506
Issue date
Jul 26, 1994
Nalco Chemical Company
Robert A. Marble
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Dispersion polymers for oil field water clarification
Patent number
5,330,650
Issue date
Jul 19, 1994
Nalco Chemical Company
Norman E. Byrne
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water clarification through chelation
Patent number
5,128,046
Issue date
Jul 7, 1992
Nalco Chemical Company
Robert A. Marble
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE