Inventor

Hubert Neumaier

11Patents
3h-index
14Co-inventors
53Inventor score

Filing activity: Jun 18, 1974 → Dec 15, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4485052A Process for the preparation of phosphonous acids Chemistry; Metallurgy 10 Expired
US3950384A Process for the manufacture of nitrilotriacetonitrile Chemistry; Metallurgy 4 Expired
US4536351A Process for making aryldichlorophosphanes Chemistry; Metallurgy 3 Expired
US3931333A Production of halogen-containing tertiary phosphine oxides Chemistry; Metallurgy 2 Expired
US3997611A Production of tertiary phosphine oxides Chemistry; Metallurgy 2 Expired
US3966803A Process for the manufacture of alkali metal salts of amino polycarboxylic acids Chemistry; Metallurgy 2 Expired
US4092363A Production of dialkylphosphine oxides Chemistry; Metallurgy 1 Expired
US3998886A Production of halogen-containing tertiary phosphine oxides Chemistry; Metallurgy 1 Expired
US4224241A Production of halogenomethylphosphinic acid halides Chemistry; Metallurgy 1 Expired
US4318865A Production of 2-chloroformylethylmethylphosphinic acid chlorides Chemistry; Metallurgy 1 Expired
US4052551A Flameproofed modacryl copolymers, fibers and filaments containing carboxy phosphinic acid derivatives having improved thermostability Textiles; Paper 1 Expired

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