Inventor · Eiken, CH

Hans Greuter

12Patents
4h-index
12Co-inventors
53Inventor score

Filing activity: Aug 29, 1975 → May 7, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4612378A Process for the preparation of .beta.-(benzothiazolylthio)- and .beta.-(benzimidazolylthio-carboxylic acids Chemistry; Metallurgy 38 Expired
US4130656A Pesticidal 1-(phenyl)-cyclobutane-1-carboxylates Human Necessities 8 Expired
US4652653A Process for the preparation of .beta.-(benzothiazolylthio)- and .beta.-(benzimidazolylthio)-carboxylic acid derivatives Chemistry; Metallurgy 4 Expired
US4242278A Process for the preparation of 2-(2',2',2'-trihalogenoethyl)-4-halogenocyclobutan-1-ones Chemistry; Metallurgy 4 Expired
US4335057A 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases Chemistry; Metallurgy 2 Expired
US4322374A 2,4,4,4-Tetrahalobutanoic acid halide Chemistry; Metallurgy 2 Expired
US4299967A Process for producing optically active 2-(2,2-dihalogenovinyl)-cyclopropane-1-carboxylic acids substituted in the 3-position, and derivatives thereof, as well as novel 4-(2,2,2-trihalogenoethyl)-cyclobutane-1-sulfonic acid salts Chemistry; Metallurgy 2 Expired
US4061644A Process for the production of 2-amino-3-hydroxypyridines Chemistry; Metallurgy 1 Expired
US4234517A 2-(2',2'-Dihalovinyl)-cyclobutanones and 2-(2',2',2'-trihaloethyl)-cyclobutanones Chemistry; Metallurgy 1 Expired
US4255351A Sulfonic acid esters of 2,2,2-trichloroethylhydroxycyclobutanones Chemistry; Metallurgy 1 Expired
US3957878A Tricyclic ketones Chemistry; Metallurgy 0 Expired
US4221812A Pesticidal spiropentanecarboxylates Chemistry; Metallurgy 0 Expired

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