Inventor
WIEGERS KARL E
US3 patents
Patents
3 patentsUS4471044ASep 11, 1984
Silver halide emulsions and photographic elements containing adsorbable alkynyl substituted heterocyclic quaternary ammonium salts
EASTMAN KODAK CO24 citations79
US4478928AOct 23, 1984
Application of activated arylhydrazides to silver halide photography
EASTMAN KODAK CO23 citations73
US4737439AApr 12, 1988
Photographic compositions and elements including internal latent image silver halide grains and nucleating agents therefor
EASTMAN KODAK CO0 citations48