Inventor
COURNOYER RICHARD L
11 patents
Patents
11 patentsUS5350870ASep 27, 1994
Thermal imaging methods and materials
POLAROID CORP41 citations92
US4345017AAug 17, 1982
Photographic products and processes with a pH sensitive xanthene light screening dye
POLAROID CORP33 citations92
US5236884AAug 17, 1993
Thermal imaging methods and materials
POLAROID CORP10 citations73
US5192645AMar 9, 1993
Thermal imaging method
POLAROID CORP8 citations73
US4429142AJan 31, 1984
Xanthene compounds
POLAROID CORP7 citations73
US4304834ADec 8, 1981
Novel xanthene compounds and photographic products and processes employing the same
POLAROID CORP12 citations73
US4290950ASep 22, 1981
Sulfo-substituted-3,6-di(N-indolinyl)-9-sulfonamidophenyl-xanthenes
POLAROID CORP9 citations73
US4258119AMar 24, 1981
Novel xanthene compounds and photographic products and processes employing the same
POLAROID CORP12 citations73
US5424475AJun 13, 1995
Thermal imaging dye precursors
POLAROID CORP2 citations62
US4311847AJan 19, 1982
Xanthene compounds
POLAROID CORP4 citations62
US4307017ADec 22, 1981
Xanthene compounds
POLAROID CORP5 citations62