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Michael M. Epstein
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Columbus, OH, US
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last 30 patents
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Patent Grant
Use of degradable ball sealers to seal casing perforations in well...
Patent number
4,716,964
Issue date
Jan 5, 1988
Exxon Production Research Company
Steven R. Erbstoesser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition for reducing the permeability of subterranean formations
Patent number
4,526,695
Issue date
Jul 2, 1985
Exxon Production Research Co.
Steven R. Erbstoesser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for reducing the permeability of subterranean formations
Patent number
4,387,769
Issue date
Jun 14, 1983
Exxon Production Research Co.
Steven R. Erbstoesser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...