Inventor · Frankfurt, DE

Gunther Schwaiger

25Patents
5h-index
13Co-inventors
66Inventor score

Filing activity: Nov 7, 1980 → May 24, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4336190A Copper complex formazan compounds, process for their manufacture and their use as dyestuffs Emerging Cross-Sectional Technologies 7 Expired
US4370145A Copper formazan compounds, processes for their preparation and their use as dyestuffs Chemistry; Metallurgy 7 Expired
US4607098A Bicyclic copper complex formazan compounds having a fiber-reactive group of the vinyl sulfone series, containing a fiber-reactive group suitable as dyestuffs Chemistry; Metallurgy 6 Expired
US5015731A Copper complex formazan compounds containing a cyanamido-S-triazinylamino radical and a fiber-reactive group of the vinylsulfone series, suitable as dyes Chemistry; Metallurgy 5 Expired
US4786728A Water-soluble triphendioxazine compounds Chemistry; Metallurgy 5 Expired
US4906736A Copper complex formazan compounds containing a phenylaminotriazinylamino group with a fiber-reactive group of the vinylsulfone series and an alkyl amino substituent in the phenyl moiety suitable as fiber-reactive dyestuffs Chemistry; Metallurgy 5 Expired
US4785099A Water-soluble triphendioxazine compounds Chemistry; Metallurgy 4 Expired
US4585459A Process for preparing liquid low-salt aqueous reactive dyestuff compositions Chemistry; Metallurgy 4 Expired
US4785098A Water-soluble triphendioxazine compounds Chemistry; Metallurgy 3 Expired
US4960872A Water-soluble monoazopyrazolone dyestuffs having fiber reactive groups of the vinylsulfone series Chemistry; Metallurgy 3 Expired
US7132517B2 Water-soluble fiber-reactive disazo dyes, method for producing the same and the use thereof Chemistry; Metallurgy 2 Expired
US4782150A Water-soluble triphendioxazine compounds Chemistry; Metallurgy 2 Expired
US4757135A Bicyclic formazan compounds containing a beta-sulfatoethyl-sulfonyl or vinyl sulfonyl group, suitable as fiber reactive dyestuffs Chemistry; Metallurgy 2 Expired
US4898944A Precursors for the preparation of water-soluble triphendioxazine dyestuffs Chemistry; Metallurgy 2 Expired
US4851527A Water-soluble triphendioxazine compounds Chemistry; Metallurgy 2 Expired
US4774333A Water-soluble triphendioxazine compounds and sulfonyl-containing precursors thereof, processes for the preparation thereof and use of the triphendioxazines as dyes Chemistry; Metallurgy 2 Expired
US4885385A Sulfonyl containing compounds suitable as precurors for water-soluble fiber-reactive triphendioxazine compounds Chemistry; Metallurgy 1 Expired
US4851542A N.sub.1 -substituted 1H-benzytriazole hydroxyethyl sulfone compounds, a process for their preparation and their use for the preparation of dyestudds Chemistry; Metallurgy 1 Expired
US4963660A Process for the reduction of heavy metal ions in excess from aqueous synthesis solutions of water soluble heavy metal complex dyestuffs Chemistry; Metallurgy 1 Expired
US5278292A Fiber-reactive dyes which contain a ureidoalkylene group Chemistry; Metallurgy 1 Expired
US4816574A Water-soluble triphendioxazine compounds Chemistry; Metallurgy 1 Expired
US5028700A Copper-complex formazan compounds having a fiber-reactive group of the vinylsulfone series, suitable as dyestuffs Chemistry; Metallurgy 1 Expired
US4895954A Precursors for synthesis of triphendioxazine dyestuffs Chemistry; Metallurgy 0 Expired
US7632316B2 Reactive dyestuff, method for production thereof and use of the same Chemistry; Metallurgy 0 Expired
US7105645B2 Water-soluble fiber-reactive dyes, method for the production and use thereof Chemistry; Metallurgy 0 Expired

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