Inventor
PARHAM WILLIAM W
US23 patents
⚠️ This page may combine multiple inventors who share the name “PARHAM WILLIAM W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
12 patentsUS5292855AMar 8, 1994
Water-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized therein
EASTMAN KODAK CO127 citations99
US5281659AJan 25, 1994
Colored polyester compositions
EASTMAN KODAK CO49 citations96
US5194463AMar 16, 1993
Light-absorbing polyurethane compositions and thermoplastic polymers colored therewith
EASTMAN KODAK CO80 citations96
US5106942AApr 21, 1992
Copolymerized methine colorant-polyester color concentrates
EASTMAN KODAK CO83 citations96
US5102980AApr 7, 1992
Colored polyester compositions
EASTMAN KODAK CO73 citations96
US5032670AJul 16, 1991
Copolymerized anthraquinone-polyester color concentrates
EASTMAN KODAK CO65 citations96
US5030708AJul 9, 1991
Colored polyester compositions
EASTMAN KODAK CO70 citations96
US4999418AMar 12, 1991
Polyesters colored with the residue of heat stable anthraquinone compounds
EASTMAN KODAK CO107 citations96
US5274072ADec 28, 1993
Polyester composition having copolymerized therein a light absorbing compound
EASTMAN KODAK CO36 citations93
US5302740AApr 12, 1994
Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
EASTMAN KODAK CO14 citations82
US5194571AMar 16, 1993
Colored polyester compositions
EASTMAN KODAK CO19 citations82
US5057594AOct 15, 1991
Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
EASTMAN KODAK CO10 citations74
EASTMAN CHEM CO
11 patentsUS5384377AJan 24, 1995
Toners for polyesters
EASTMAN CHEM CO292 citations98
US5372864ADec 13, 1994
Toners for polyesters
EASTMAN CHEM CO242 citations98
US5703229ADec 30, 1997
Method for tagging thermoplastic materials with near infrared fluorophores
EASTMAN CHEM CO81 citations96
US5553714ASep 10, 1996
Method for detecting and separating thermoplastic containers with near infrared fluorosphores
EASTMAN CHEM CO59 citations96
US5461136AOct 24, 1995
Method for tagging thermoplastic materials with near infrared fluorophores
EASTMAN CHEM CO71 citations96
US5423432AJun 13, 1995
Water-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized therein
EASTMAN CHEM CO95 citations96
US5397819AMar 14, 1995
Thermoplastic materials containing near infrared fluorophores
EASTMAN CHEM CO61 citations96
US5336714AAug 9, 1994
Water-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized therein
EASTMAN CHEM CO78 citations96
US5442086AAug 15, 1995
Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
EASTMAN CHEM CO18 citations82
US5374419ADec 20, 1994
Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
EASTMAN CHEM CO4 citations63
US5453482ASep 26, 1995
Process for preparing arylsulfonyl halides
EASTMAN CHEM CO3 citations62