Inventor · disambiguated record
Patrick J. Jefferies
Also filed as: CROUNSE NATHAN N · JEFFERIES PATRICK J · JEFFERIES PATRICK JOSEPH
12 granted patents·115 citations·filing 1973–1985
91Inventor score
Top patents by PatentIndex Score
12 records- 0193US4103092AWater-soluble quaternary ammonium non-heterocyclic azo dyestuffsSTERLING DRUG INC·Filed 1975·Granted Jul 25, 1978·23 cites·153 claims
- 0290US4206144AN,N-Dialkyl-N-aminoalkyl-N-(amino or nitro)phenylalkyl- and N-methyl-N-[3-(amino or nitro)phenoxy-2-hydroxy-1-propyl]-N,N-bis(3-aminopropyl)quaternary ammonium saltsSTERLING DRUG INC·Filed 1978·Granted Jun 3, 1980·16 cites·10 claims
- 0384US3996282AWater-soluble quaternary ammonium dyestuffsSTERLING DRUG INC·Filed 1974·Granted Dec 7, 1976·11 cites·2 claims
- 0480US4536367AMethod for sanitizing toiletsHILTON DAVIS CHEMICAL CO·Filed 1983·Granted Aug 20, 1985·11 cites·17 claims
- 0578US4632783ATriphenylmethane dyestuffsHILTON DAVIS CHEMICAL CO·Filed 1985·Granted Dec 30, 1986·11 cites·4 claims
- 0671US4065500AWater-soluble quaternary ammonium azo dyestuffsSTERLING DRUG INC·Filed 1976·Granted Dec 27, 1977·7 cites·5 claims
- 0767US4146558AAzo dyestuff intermediate nitro- or aminobenzenes ring-substituted by a quaternized amine alkyl or amino-alkoxy groupSTERLING DRUG INC·Filed 1977·Granted Mar 27, 1979·6 cites·12 claims
- 0861US4143034APolyaminomethylated monoazo and disazo colorantsSTERLING DRUG INC·Filed 1977·Granted Mar 6, 1979·16 cites·46 claims
- 0960US4081239AStorage stable concentrated aqueous solutions of aminomethylated phthalocyaninesSTERLING DRUG INC·Filed 1976·Granted Mar 28, 1978·5 cites·8 claims
- 1046US3935182AWater-soluble quaternary ammonium heterocyclic azo dyestuffsSTERLING DRUG INC·Filed 1973·Granted Jan 27, 1976·8 cites·18 claims
- 1140US4528136AProcess for preparing 2-[bis(aryl)methyl]benzoic acidsHILTON DAVIS CHEMICAL CO·Filed 1983·Granted Jul 9, 1985·1 cites·5 claims
- 1230US4399291AProcess for the production of substituted aminophthalidesSTERLING DRUG INC·Filed 1981·Granted Aug 16, 1983·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →