Inventor · disambiguated record
William M. Hung
Also filed as: HUNG WILLIAM M · HUNG WILLIAM M W · SCHMIDT PAUL J
72 granted patents·3 pending applications·688 citations·filing 1977–2006
99Inventor score
Files withHILTON DAVIS CHEMICAL CO27STERLING DRUG INC25CIBA GEIGY CORP10ADJUVANT PHARMACEUTICALS LLC4HILTON DAVIS CO3
Top patents by PatentIndex Score
75 records- 0195US5098445AUltraviolet radiation absorbing agent for bonding to an ocular lensCIBA GEIGY CORP·Filed 1990·Granted Mar 24, 1992·66 cites·8 claims
- 0295US4963160AReactive uv absorbing compositions and method of preparing lenses therefromCIBA GEIGY CORP·Filed 1989·Granted Oct 16, 1990·40 cites·10 claims
- 0390US4954132ATinted contact lens and method of tinting with reactive dye and quaternary ammonium saltCIBA GEIGY CORP·Filed 1989·Granted Sep 4, 1990·39 cites·10 claims
- 0490US4549192AElectrochromic marking systemsHILTON DAVIS CHEMICAL CO·Filed 1984·Granted Oct 22, 1985·22 cites·6 claims
- 0590US4257954ANovel compounds, processes and marking systemsSTERLING DRUG INC·Filed 1979·Granted Mar 24, 1981·45 cites·15 claims
- 0688US4929250AUltraviolet absorbing lenses and method of making the sameCIBA GEIGY CORP·Filed 1989·Granted May 29, 1990·64 cites·9 claims
- 0786US4561001AElectrochromic marking systemsHILTON DAVIS CHEMICAL CO·Filed 1984·Granted Dec 24, 1985·23 cites·8 claims
- 0880US4536367AMethod for sanitizing toiletsHILTON DAVIS CHEMICAL CO·Filed 1983·Granted Aug 20, 1985·11 cites·17 claims
- 0979US5298033AUltraviolet absorbing lenses and methods of manufacturing thereofCIBA GEIGY CORP·Filed 1993·Granted Mar 29, 1994·26 cites·2 claims
- 1078US4636820ACompositions, process and systemsHILTON DAVIS CHEMICAL·Filed 1985·Granted Jan 13, 1987·16 cites·5 claims
- 1178US4632783ATriphenylmethane dyestuffsHILTON DAVIS CHEMICAL CO·Filed 1985·Granted Dec 30, 1986·11 cites·4 claims
- 1277US5500024AUltraviolet absorbing lenses and methods of manufacture thereofCIBA GEIGY CORP·Filed 1994·Granted Mar 19, 1996·32 cites·5 claims
- 1376US5491262ABis{[1-(2-A-2-B)ethenyl]}[2-R2 -4-X-phenyl-or 1-(2-R2 -4-X-phenyl)ethenyl]methanesHILTON DAVIS CHEMICAL CO·Filed 1989·Granted Feb 13, 1996·31 cites·9 claims
- 1474US7125967B2Water-soluble chitosan having low endotoxin concentration and methods for making and using the sameADJUVANT PHARMACEUTICALS LLC·Filed 2003·Granted Oct 24, 2006·7 cites·38 claims
- 1568US5399692AUltraviolet absorbing benzophenone sulfonic acid derivativesCIBA GEIGY CORP·Filed 1993·Granted Mar 21, 1995·28 cites·7 claims
- 1668US4403791ACarbonless duplicating and marking systemsSTERLING DRUG INC·Filed 1981·Granted Sep 13, 1983·6 cites·12 claims
- 1768US4363503APyridine color formersSTERLING DRUG INC·Filed 1981·Granted Dec 14, 1982·6 cites·5 claims
- 1866US6716970B2Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereofADJUVANT PHARMACEUTICALS LLC·Filed 2001·Granted Apr 6, 2004·10 cites·13 claims
- 1963US4187223A3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalidesSTERLING DRUG INC·Filed 1978·Granted Feb 5, 1980·4 cites·18 claims
- 2060US7683039B2Water soluble, randomly substituted partial N-, partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereofADJUVANT PHARMACEUTICALS LLC·Filed 2003·Granted Mar 23, 2010·4 cites·17 claims
- 2160US5352245AProcess for tinting contact lensCIBA GEIGY CORP·Filed 1992·Granted Oct 4, 1994·27 cites·18 claims
- 2259US4551740AElectrochromic and marking systemsHILTON DAVIS CHEMICAL CO·Filed 1984·Granted Nov 5, 1985·5 cites·6 claims
- 2355US4688059AMarking systemsHILTON DAVIS CHEMICAL CO·Filed 1986·Granted Aug 18, 1987·7 cites·5 claims
- 2455US4660060AImaging systems containing 3-(indol-3-yl)-3-(4-substituted aminophenyl)phthalidesHILTON DAVIS CHEMICAL CO·Filed 1985·Granted Apr 21, 1987·5 cites·6 claims
- 2555US4535172A3(Ether and thioether) 3-(4-dialkylaminophenyl) phthalidesHILTON DAVIS CHEMICAL CO·Filed 1982·Granted Aug 13, 1985·7 cites·7 claims
- 2654US5431879AMethod and container for sterilizing and disinfectingCIBA GEIGY CORP·Filed 1994·Granted Jul 11, 1995·37 cites·26 claims
- 2754US2006293509A1Water-soluble chitosan having low endotoxin concentration and methods for making and using the sameADJUVANT PHARMACEUTICALS LLC·Filed 2006·Application pending·0 cites
- 2853US4604458A3-substituted carbonyloxy-7-disubstituted amino-10-substituted carbonylphenothiazinesHILTON DAVIS CHEMICAL CO·Filed 1985·Granted Aug 5, 1986·6 cites·6 claims
- 2950US4343493ADuplicating and marking systemsSTERLING DRUG INC·Filed 1980·Granted Aug 10, 1982·2 cites·5 claims
- 3050US4182714ACarbazole containing phthalidesSTERLING DRUG INC·Filed 1977·Granted Jan 8, 1980·2 cites·2 claims
- 3149US4168378A3-(9-Julolidinyl)-3-(diphenylamino)phthalidesSTERLING DRUG INC·Filed 1977·Granted Sep 18, 1979·8 cites·3 claims
- 3248US4337340AProcesses for preparing substituted furopyridinones and furopyrazinonesSTERLING DRUG INC·Filed 1980·Granted Jun 29, 1982·2 cites·4 claims
- 3346US4652643A3-amido-7-disubstituted amino-10-carbonylphenothiazinesHILTON DAVIS CHEMICAL CO·Filed 1986·Granted Mar 24, 1987·3 cites·7 claims
- 3445US4570171AElectrochromic marking systemsHILTON DAVIS CHEMICAL CO·Filed 1984·Granted Feb 11, 1986·4 cites·5 claims
- 3545US2003152693A1Methods of applying a coating to an optical surfaceFiled 2002·Application pending·0 cites
- 3644US4446321A4-Aryl-bis 2,6-(aminophenyl)pyridinesSTERLING DRUG INC·Filed 1982·Granted May 1, 1984·4 cites·29 claims
- 3744US4307898ACarbonless duplicating and marking systemsSTERLING DRUG INC·Filed 1980·Granted Dec 29, 1981·8 cites·5 claims
- 3843US4431819A3-(Pyrrolo and 3-indolyl)-3-diphenylamino substituted phthalidesSTERLING DRUG INC·Filed 1980·Granted Feb 14, 1984·4 cites·31 claims
- 3942US4414399A5/6 CarboxyphthalidesSTERLING DRUG INC·Filed 1983·Granted Nov 8, 1983·1 cites·7 claims
- 4041US5021068ATinted contact lens and method of manufacture thereof: reactive dye and quaternary phosphonium saltCIBA GEIGY CORP·Filed 1990·Granted Jun 4, 1991·8 cites·13 claims
- 4141US4200313ACarbonless duplicating systemsSTERLING DRUG INC·Filed 1979·Granted Apr 29, 1980·6 cites·15 claims
- 4240US4795736ANovel compounds, process and marking systemsHILTON DAVIS CO·Filed 1987·Granted Jan 3, 1989·9 cites·10 claims
- 4340US4539579ACompounds, processes and marking systemsHILTON DAVIS CHEMICAL CO·Filed 1982·Granted Sep 3, 1985·1 cites·16 claims
- 4439US4697018A9-julolidinyl derivatives and process of preparing themHILTON DAVIS CHEMICAL CO·Filed 1985·Granted Sep 29, 1987·1 cites·7 claims
- 4539US4515971A5'/6'-Carboxyfluorans and derivatives thereofHILTON DAVIS CHEMICAL CO·Filed 1981·Granted May 7, 1985·1 cites·7 claims
- 4638US4661605A3-(ether and thioether)-3-(indolyl)-phthalidesHILTON DAVIS CHEMICAL CO·Filed 1985·Granted Apr 28, 1987·1 cites·2 claims
- 4738US2002018732A1Preserving compositions containing chitosan and processes for making water soluble O-acetylated chitosan and chitosanFiled 2001·Application pending·0 cites
- 4837US4398030A3-[(Substituted-amino)(aryl)methyl]-1H-indolesSTERLING DRUG INC·Filed 1982·Granted Aug 9, 1983·2 cites·7 claims
- 4937US4341402ASystems employing indole color formersSTERLING DRUG INC·Filed 1980·Granted Jul 27, 1982·5 cites·3 claims
- 5036US4618684ASubstituted indolesHILTON DAVIS CHEMICAL CO·Filed 1984·Granted Oct 21, 1986·0 cites·2 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →