Inventor · disambiguated record
Robert O. Keys
Also filed as: KEYS ROBERT O · KEYS ROBERT OTIS
24 granted patents·3 pending applications·1,152 citations·filing 1982–2005
97Inventor score
Top patents by PatentIndex Score
27 records- 0198US5674832ACationic compositions containing diol and/or diol alkoxylateWITCO CORP·Filed 1995·Granted Oct 7, 1997·170 cites·12 claims
- 0297US5759990AConcentrated fabric softening composition with good freeze/thaw recovery and highly unsaturated fabric softener compound thereforPROCTER & GAMBLE·Filed 1996·Granted Jun 2, 1998·233 cites·10 claims
- 0397US4589980APromoters for froth flotation of coalSHEREX CHEM·Filed 1984·Granted May 20, 1986·114 cites·16 claims
- 0496US5877145AConcentrated fabric softening composition with good freeze/thaw recovery and highly unsaturated fabric softener compound thereforPROCTER & GAMBLE·Filed 1998·Granted Mar 2, 1999·151 cites·10 claims
- 0594US4678562APromotors for froth floatation of coalSHEREX CHEM·Filed 1986·Granted Jul 7, 1987·77 cites·9 claims
- 0693US6211139B1Polyester polyquaternary compounds, compositions containing them, and use thereofGOLDSCHMIDT CHEMICAL CORP·Filed 1998·Granted Apr 3, 2001·103 cites·17 claims
- 0787US5753079AObtaining enhanced paper production using cationic compositions containing diol and/or diol alkoxylateWITCO CORP·Filed 1996·Granted May 19, 1998·68 cites·23 claims
- 0886US4678561APromoters for froth flotation of coalSHEREX CHEM·Filed 1986·Granted Jul 7, 1987·45 cites·12 claims
- 0985US6737392B1MDEA ester quats with high content of monoester in blends with tea ester quatsGOLDSCHMIDT CHEMICAL CORP·Filed 2003·Granted May 18, 2004·28 cites·24 claims
- 1084US6521589B2Quaternary fatty acid triethanolamine ester salts and their use as fabric softenersPROCTER & GAMBLE·Filed 1997·Granted Feb 18, 2003·52 cites·15 claims
- 1182US7015187B2Fabric softening compoundPROCTER & GAMBLE·Filed 2005·Granted Mar 21, 2006·5 cites·4 claims
- 1276US4504385AEster-alcohol frothers for froth flotation of coalSHEREX CHEM·Filed 1982·Granted Mar 12, 1985·27 cites·19 claims
- 1374US6759383B2Fabric softening compoundPROCTER & GAMBLE·Filed 2002·Granted Jul 6, 2004·9 cites·2 claims
- 1459US4678563AModified alcohol frothers for froth flotation of sulfide oreSHEREX CHEM·Filed 1985·Granted Jul 7, 1987·17 cites·13 claims
- 1556US2006063696A1Fabric softening compoundDEMEYERE HUGO J·Filed 2005·Application pending·0 cites
- 1651US2004214743A1Fabric softening compoundPROCTER & GAMBLE·Filed 2004·Application pending·0 cites
- 1747US6162453AC7 -C12 Diol & Diol alkoxylates as coupling agents for surfactant formulationsWITCO CORP·Filed 1999·Granted Dec 19, 2000·7 cites·12 claims
- 1845US4606818AModified alcohol frothers for froth flotation of coalSHEREX CHEM·Filed 1985·Granted Aug 19, 1986·9 cites·13 claims
- 1944US5686023AC7 -C12 diol and diol alkoxylates as coupling agents for surfactant formulationsWITCO CORP·Filed 1995·Granted Nov 11, 1997·8 cites·10 claims
- 2043US6784152B2Polyquat anionic scavengers for rinse cycle fabric softenersGOLDSCHMIDT CHEMICAL CORP·Filed 2002·Granted Aug 31, 2004·0 cites·24 claims
- 2143US5670472ABiodegradable ester diquaternary compounds and compositions containing themWITCO CORP·Filed 1995·Granted Sep 23, 1997·7 cites·25 claims
- 2241US2002002297A1Polyquaternaries from mdea using dibasic acids and fatty acidsFiled 2001·Application pending·0 cites
- 2340US5958863ACationic compositions containing diol alkoxylateWITCO CORP·Filed 1997·Granted Sep 28, 1999·4 cites·17 claims
- 2440US5824635ACationic compositions containing hydroxyesterFiled 1996·Granted Oct 20, 1998·6 cites·6 claims
- 2539US5977189AC7 -C12 diol and diol alkoxylates as coupling agents for surfactant formulationsWITCO CORP·Filed 1997·Granted Nov 2, 1999·4 cites·11 claims
- 2639US4892663ACoal filtration process and dewatering aids thereforSHEREX CHEM·Filed 1988·Granted Jan 9, 1990·7 cites·3 claims
- 2732US5830842AHydroxyesters as coupling agents for surfactant formulationsWITCO CORP·Filed 1996·Granted Nov 3, 1998·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →