Inventor · Vremde, BE

Robert J. Pollet

29Patents
8h-index
49Co-inventors
71Inventor score

Filing activity: Nov 20, 1973 → Apr 26, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4039332A Stabilization of photosensitive recording material Physics 45 Expired
US4292402A Light-sensitive silver halide materials containing fluorine-containing surfactants Emerging Cross-Sectional Technologies 26 Expired
US3979394A Duplo quinoline compounds Physics 22 Expired
US4720447A Silver salt diffusion transfer reversal process Physics 20 Expired
US4177071A Rapidly processable radiographic materials Emerging Cross-Sectional Technologies 15 Expired
US4727017A Substituted triazolopyrimidines and their use in light-sensitive photographic elements Emerging Cross-Sectional Technologies 12 Expired
US4292400A Photographic silver halide development in the presence of thioether development activators Physics 10 Expired
US4013471A Development of photographic silver halide elements Physics 8 Expired
US3947273A Development modifiers for silver halide emulsions Emerging Cross-Sectional Technologies 7 Expired
US4138351A Electrophoretic liquid developer containing a metal alkyl sulphonate Emerging Cross-Sectional Technologies 7 Expired
US4111697A Novel antifogging and/or stabilizing compounds for silver halide photography Physics 6 Expired
US4057429A Preparation of photographic silver halide emulsions Physics 6 Expired
US4072523A Development of photographic silver halide material Physics 5 Expired
US4451555A Antifogging compounds and their use in silver halide photography Physics 5 Expired
US4859565A Diffusion transfer reversal process Emerging Cross-Sectional Technologies 5 Expired
US3986877A Development promoting compounds for silver halide photography Physics 4 Expired
US4026708A Direct-positive silver halide emulsions having incorporated developers Emerging Cross-Sectional Technologies 4 Expired
US4307175A Photographic silver halide emulsion material containing an antifoggant precursor Physics 4 Expired
US4756990A Method of effecting high contrast development of an image-wise exposed photographic silver halide emulsion layer material Physics 3 Expired
US4201585A Photographic bleach compositions containing bleach-accelerating compounds Physics 3 Expired
US4038075A Development of photographic silver halide material Chemistry; Metallurgy 3 Expired
US4186012A Light sensitive color photographic material containing development inhibitor releasing coupler Emerging Cross-Sectional Technologies 3 Expired
US4132551A High temperature processing of photographic silver halide material Physics 3 Expired
US4202695A Photographic Lippmann emulsions Physics 2 Expired
US4269923A Photographic imaging process and materials suitable therefor Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.