Inventor · disambiguated record
William W. Parham
Also filed as: PARHAM WILLIAM W · PARHAM WILLIAM WHITFIELD
26 granted patents·1 pending application·1,916 citations·filing 1989–2004
98Inventor score
Top patents by PatentIndex Score
27 records- 0198US5384377AToners for polyestersEASTMAN CHEM CO·Filed 1994·Granted Jan 24, 1995·292 cites·14 claims
- 0298US5372864AToners for polyestersEASTMAN CHEM CO·Filed 1993·Granted Dec 13, 1994·242 cites·15 claims
- 0398US5292855AWater-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized thereinEASTMAN KODAK CO·Filed 1993·Granted Mar 8, 1994·127 cites·7 claims
- 0498US4999418APolyesters colored with the residue of heat stable anthraquinone compoundsEASTMAN KODAK CO·Filed 1989·Granted Mar 12, 1991·107 cites·20 claims
- 0597US5703229AMethod for tagging thermoplastic materials with near infrared fluorophoresEASTMAN CHEM CO·Filed 1996·Granted Dec 30, 1997·81 cites·9 claims
- 0696US6197223B1Method for preparing light-absorbing polymeric compositionsEASTMAN CHEM CO·Filed 1999·Granted Mar 6, 2001·55 cites·16 claims
- 0796US6197851B1Polyester compositions containing near infrared absorbing materials to improve reheatEASTMAN CHEM CO·Filed 1997·Granted Mar 6, 2001·122 cites·42 claims
- 0896US5553714AMethod for detecting and separating thermoplastic containers with near infrared fluorosphoresEASTMAN CHEM CO·Filed 1994·Granted Sep 10, 1996·59 cites·1 claims
- 0996US5461136AMethod for tagging thermoplastic materials with near infrared fluorophoresEASTMAN CHEM CO·Filed 1994·Granted Oct 24, 1995·71 cites·14 claims
- 1096US5336714AWater-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized thereinEASTMAN CHEM CO·Filed 1993·Granted Aug 9, 1994·78 cites·7 claims
- 1196US5102980AColored polyester compositionsEASTMAN KODAK CO·Filed 1991·Granted Apr 7, 1992·73 cites·39 claims
- 1295US5106942ACopolymerized methine colorant-polyester color concentratesEASTMAN KODAK CO·Filed 1990·Granted Apr 21, 1992·83 cites·40 claims
- 1395US5032670ACopolymerized anthraquinone-polyester color concentratesEASTMAN KODAK CO·Filed 1989·Granted Jul 16, 1991·65 cites·28 claims
- 1494US5194463ALight-absorbing polyurethane compositions and thermoplastic polymers colored therewithEASTMAN KODAK CO·Filed 1991·Granted Mar 16, 1993·80 cites·33 claims
- 1594US5030708AColored polyester compositionsEASTMAN KODAK CO·Filed 1990·Granted Jul 9, 1991·70 cites·40 claims
- 1693US5397819AThermoplastic materials containing near infrared fluorophoresEASTMAN CHEM CO·Filed 1993·Granted Mar 14, 1995·61 cites·14 claims
- 1789US5281659AColored polyester compositionsEASTMAN KODAK CO·Filed 1992·Granted Jan 25, 1994·49 cites·18 claims
- 1886US5423432AWater-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized thereinEASTMAN CHEM CO·Filed 1994·Granted Jun 13, 1995·95 cites·10 claims
- 1984US5274072APolyester composition having copolymerized therein a light absorbing compoundEASTMAN KODAK CO·Filed 1992·Granted Dec 28, 1993·36 cites·33 claims
- 2076US5194571AColored polyester compositionsEASTMAN KODAK CO·Filed 1991·Granted Mar 16, 1993·19 cites·14 claims
- 2173US5302740AUltraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereofEASTMAN KODAK CO·Filed 1992·Granted Apr 12, 1994·14 cites·5 claims
- 2266US5057594AUltraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereofEASTMAN KODAK CO·Filed 1989·Granted Oct 15, 1991·10 cites·18 claims
- 2361US5442086AUltraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereofEASTMAN CHEM CO·Filed 1994·Granted Aug 15, 1995·18 cites·2 claims
- 2458US6776930B2Method for preparing light-absorbing polymeric compositionsEASTMAN CHEM CO·Filed 2000·Granted Aug 17, 2004·2 cites·48 claims
- 2548US5453482AProcess for preparing arylsulfonyl halidesEASTMAN CHEM CO·Filed 1994·Granted Sep 26, 1995·3 cites·25 claims
- 2647US2004195552A1Method for preparing light-absorbing polymeric compositionsFiled 2004·Application pending·0 cites
- 2746US5374419AUltraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereofEASTMAN CHEM CO·Filed 1992·Granted Dec 20, 1994·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →