Inventor
IDELSON ELBERT M
20 patents
⚠️ This page may combine multiple inventors who share the name “IDELSON ELBERT M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLAROID CORP
18 patentsUS4151667AMay 1, 1979
Novel I.D. cards
POLAROID CORP34 citations90
US4219599AAug 26, 1980
I.D. cards
POLAROID CORP18 citations79
US4061654ADec 6, 1977
Novel tetrazaporphins
POLAROID CORP17 citations73
US4206139AJun 3, 1980
Synthesis of benzaldehydes
POLAROID CORP8 citations65
US4336405AJun 22, 1982
Silver halide developing agents
POLAROID CORP5 citations62
US4267252AMay 12, 1981
Chrome complexed magenta dye developers
POLAROID CORP3 citations62
US4267253AMay 12, 1981
Chrome complexed magenta dye developers
POLAROID CORP3 citations62
US4265811AMay 5, 1981
Novel azo dyes
POLAROID CORP2 citations62
US4247455AJan 27, 1981
Yellow 2:1 azo-azo or azo-azomethine chrome complexed dye developers
POLAROID CORP2 citations62
US4231950ANov 4, 1980
Yellow azomethine dye developers
POLAROID CORP3 citations62
US4206115AJun 3, 1980
Ortho-carboxyphenyl azo ortho-hydroxypyrazole yellow dyes having silver halide developing capability
POLAROID CORP4 citations62
US4174221ANov 13, 1979
Yellow 2:1 chrome complexed dye developers
POLAROID CORP4 citations62
US3969120AJul 13, 1976
Photographic multicolor screen element and method for making same
POLAROID CORP3 citations62
US4719175AJan 12, 1988
Novel pyrazole compounds having silver halide development groups
POLAROID CORP2 citations61
US4656117AApr 7, 1987
Azo and azomethine dye developers
POLAROID CORP1 citations51
US4294915AOct 13, 1981
Silver halide developing agents
POLAROID CORP1 citations51
US4166741ASep 4, 1979
Yellow azomethine dye developers
POLAROID CORP0 citations51
US3944569AMar 16, 1976
Aminomethyl-substituted 1-naphthol phthalides and naphthalides
POLAROID CORP0 citations51