Inventor · Posat, CH

Georg Cseh

14Patents
4h-index
6Co-inventors
53Inventor score

Filing activity: Feb 27, 1974 → Sep 26, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US4992495A Process for coloring high-molecular weight organic material using amine salts of azo pigments based on pyrazolone derivatives Chemistry; Metallurgy 9 Expired
US4220586A Hetero-aryl azo acylamino substituted aceto-acetarylide pigments Chemistry; Metallurgy 7 Expired
US5151505A Amine salts of azo pigments based on pyrazolone derivatives Chemistry; Metallurgy 5 Expired
US3978038A Disazo pigments containing at least one nitro group on the diazo component Emerging Cross-Sectional Technologies 5 Expired
US4639477A Process for coloring high-molecular organic material, and novel metal complexes of oxime(s) of o-hydroxy benzaldehyde(s) and ketone(s) Chemistry; Metallurgy 4 Expired
US5066695A High-molecular weight organic material containing a metal complex pigment basaed on hydrazone Chemistry; Metallurgy 4 Expired
US4070353A Dicarboxylic acid ester diazo pigments Chemistry; Metallurgy 4 Expired
US4055559A Disazo pigment containing at least 2 chlorine atoms and process for their manufacture Chemistry; Metallurgy 4 Expired
US4062838A Disazo pigments containing acylamino groups Chemistry; Metallurgy 3 Expired
US4065449A Tetrachloro substituted disazo pigments Chemistry; Metallurgy 3 Expired
US4670486A Polymer composition pigmented with copper or nickel complexes of ligands containing a semicarbazone moiety Emerging Cross-Sectional Technologies 3 Expired
US4473500A Monoazo pigments derived from aminophthalimides and substituted acetoacetarylides or 2-hydroxy-3-naphthoylarylides Chemistry; Metallurgy 2 Expired
US4775747A Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety Emerging Cross-Sectional Technologies 1 Expired
USRE35359E Amine salts of azo pigments based on pyrazolone derivatives General 0 Expired

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