Inventor · Basel, CH

Hanspeter Uehlinger

8Patents
3h-index
2Co-inventors
39Inventor score

Filing activity: Jan 15, 1973 → Jun 16, 1980

Most-cited inventions

PatentTitleAreaCited byStatus
US4080322A 1-Hydroxy-2-arylazo-8-hydrocarbyloxycarbonylaminonaphthalenedisulfonic acids Chemistry; Metallurgy 3 Expired
US4058516A Sulfo group-containing azo compounds having a tetrazo component radical derived from an optionally substituted 3,8-diaminodibenzofuran Chemistry; Metallurgy 3 Expired
US4006131A Anionic disazo dyes having a 2,2'-dihalodiphenyl tetrazo component radical Chemistry; Metallurgy 3 Expired
US4466920A Disazo compounds having a further unsubstituted or substituted sulfophenyl diazo component radical and a 4-alkoxy- or arylsulfonyloxy benzene coupling component radical having an acylamina substituent Chemistry; Metallurgy 3 Expired
US4377517A 2-(C.sub.1-4 Alkoxy)carbonylamino-4-(2'-C.sub.1-4 alkoxy-4'-halo-1',3',5'-triazinyl-6'-amino)phenylazonaphthalenedisulfoni c acids Chemistry; Metallurgy 2 Expired
US4165314A Mixtures of 1:2 cobalt complexes of monoazo compounds having an acetoacetanilide coupling component radical Chemistry; Metallurgy 1 Expired
US4058514A Asymmetric 1:2 chromium complexes of monoazo compounds having 1-aryl-3-methyl-pyrazolone-5 coupling components Chemistry; Metallurgy 1 Expired
US3981858A Alkoxy- and cyclohexyloxycarbonylaminophenyl-azo-hydroxynaphthalenes containing at least one sulfo group Chemistry; Metallurgy 0 Expired

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