Inventor
MCGOWAN DONALD A
US15 patents
Patents
15 patentsUS4602263AJul 22, 1986
Thermal imaging method
POLAROID CORP198 citations99
US4663518AMay 5, 1987
Optical storage identification card and read/write system
POLAROID CORP302 citations97
US4826976AMay 2, 1989
Color-shifted dyes with thermally unstable carbamate moiety comprising T-alkoxycarbonyl group
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US5795981AAug 18, 1998
Processes for the preparation of squarylium dyes
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US5492795AFeb 20, 1996
Squarylium dyes, and processes and intermediates for the preparation thereof
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US5354873AOct 11, 1994
Squarylium dyes, and processes and intermediates for the preparation thereof
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US5227499AJul 13, 1993
Substituted squarylium dyes, and processes and intermediates for the preparation thereof
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US5415970AMay 16, 1995
Image-recording material
POLAROID CORP6 citations73
US5316887AMay 31, 1994
Thermally developable photosensitive material
POLAROID CORP6 citations73
US5227498AJul 13, 1993
Squarylium dyes, and processes and intermediates for the preparation thereof
POLAROID CORP16 citations73
US6482950B1Nov 19, 2002
Squarylium compounds, and processes and intermediates for the synthesis of these compounds
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US5919950AJul 6, 1999
Squarylium compounds, and processes and intermediates for the synthesis of these compounds
POLAROID CORP5 citations72
US5231190AJul 27, 1993
Squarylium compounds, and processes and intermediates for the synthesis of these compounds
POLAROID CORP7 citations72
US5430156AJul 4, 1995
Color-providing compound having two or more cyclic 1,3 sulfur-nitrogen groups and two or more color-providing moieties
POLAROID CORP1 citations62
US4355169AOct 19, 1982
Thiazolidinyl-substituted phenyl sulfonamides
POLAROID CORP1 citations51