Inventor · disambiguated record
Donald G. Ries
Also filed as: MANISCALCO JOSEPH P · RIES DONALD G
14 granted patents·162 citations·filing 1975–1988
93Inventor score
Top patents by PatentIndex Score
14 records- 0186US4600518ACholine for neutralizing naphthenic acid in fuel and lubricating oilsNALCO CHEMICAL CO·Filed 1985·Granted Jul 15, 1986·36 cites·2 claims
- 0279US4845289AProcedure for the removal or reduction of residual trimethylamine odor from its reaction productsNALCO CHEMICAL CO·Filed 1988·Granted Jul 4, 1989·15 cites·4 claims
- 0371US4502964ATerpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluidsNALCO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·18 cites·2 claims
- 0465US4502965ATerpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluidsNALCO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·21 cites·2 claims
- 0558US4544722AWater-soluble terpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), n-vinylpyrrolidone and acrylonitrileNALCO CHEMICAL CO·Filed 1984·Granted Oct 1, 1985·15 cites·3 claims
- 0657US4502966ATerpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluidsNALCO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·15 cites·2 claims
- 0753US4837283AMonomeric, oligomeric and polymeric sulfonatesNALCO CHEMICAL CO·Filed 1987·Granted Jun 6, 1989·8 cites·23 claims
- 0853US4574061AAlkoxy aryl sulfonate surfactantsNALCO CHEMICAL CO·Filed 1985·Granted Mar 4, 1986·4 cites·3 claims
- 0952US4555558ATerpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), N,N-dimethylacrylamide, and acrylonitrileNALCO CHEMICAL CO·Filed 1984·Granted Nov 26, 1985·8 cites·3 claims
- 1048US4172787AReaction of α-phosphorus containing carboxylic acids with phosphorous acid to prepare scale and corrosion inhibitorsNALCO CHEMICAL CO·Filed 1978·Granted Oct 30, 1979·4 cites·16 claims
- 1147US4138431AReaction of α-phosphorus containing carboxylic acids with phosphorous acid to prepare scale and corrosion inhibitorsNALCO CHEMICAL CO·Filed 1978·Granted Feb 6, 1979·4 cites·4 claims
- 1244US4544719AWater-soluble polymers containing 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS)-acrylamide-N,N-diallylacetamideNALCO CHEMICAL CO·Filed 1984·Granted Oct 1, 1985·5 cites·3 claims
- 1344US3981798ALiquid/liquid extraction using certain ethers and estersNALCO CHEMICAL CO·Filed 1975·Granted Sep 21, 1976·6 cites·3 claims
- 1434US4022047AHose reel for piercer and reeler outlet tablesAETNA STANDARD ENG CO·Filed 1976·Granted May 10, 1977·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →