Inventor · Ybbs an der Donau, AT

Kurt Hohmann

15Patents
6h-index
18Co-inventors
63Inventor score

Filing activity: Jul 8, 1975 → Aug 26, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4557732A Process for spin-dyeing of acid-modified polymers of acrylonitrile by the wet-spinning procedure using quaternary ammonium or cyclammonium dyestuffs of low M value and high cation weight having two or three said ammonium or cyclammonium groups Emerging Cross-Sectional Technologies 21 Expired
US5822215A Public on-line computer terminal with pliant currency acceptor Physics 12 Expired
US4046752A Process for preparing an azo compound from a 2-aminothiazole diazo component Chemistry; Metallurgy 12 Expired
US4082740A Quaternary basic azodyestuffs containing a propenyl amino radical Chemistry; Metallurgy 11 Expired
US4563191A Process for dyeing, in the gel state, fiber material composed of wet spun acrylonitrile polymers using dyes with two basic groups Emerging Cross-Sectional Technologies 11 Expired
US4607071A Process for spin-dyeing of acid-modified polymers of copolymers of acrylonitrile using rapid-fixing di-quaternary cationic dyes Emerging Cross-Sectional Technologies 9 Expired
US4269768A Process for the preparation of chlorozincate salts of thiazolium azo dyestuffs Chemistry; Metallurgy 6 Expired
US4061464A Process for the preparation of dyestuff compositions Chemistry; Metallurgy 5 Expired
US5508389A Process for producing concentrated aqueous solutions of anionic azo dyes Chemistry; Metallurgy 4 Expired
US5634949A Prevention of fabric hand harshening on printing of dyeing cellulosic textiles Emerging Cross-Sectional Technologies 3 Expired
US4732573A Novel dye salts of cationic dyes, having thiocyanatometallate or cyanatometallate complex anions for spin dyeing acid modified polyacrylonitrile Emerging Cross-Sectional Technologies 2 Expired
US4765797A Storable formulations of cationic dyes with oxidizing agent as stabilizer Chemistry; Metallurgy 1 Expired
US4118185A Process for dyeing and printing nickel-containing polyolefins Emerging Cross-Sectional Technologies 0 Expired
US4588169A Arrangement to be used with a tiltable metallurgical vessel Chemistry; Metallurgy 0 Expired
US4252535A Process for dyeing uniformly polyacrylonitrile fiber materials Emerging Cross-Sectional Technologies 0 Expired

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