Inventor · disambiguated record
Gerhard Back
Also filed as: BACK GERHARD · BÄCK GERHARD · DONATH PETER
42 granted patents·281 citations·filing 1973–2013
97Inventor score
Top patents by PatentIndex Score
42 records- 0194US4655783AProcess for photochemical stabilization of non-dyed and dyed polyamide fibre material and mixtures thereofCIBA GEIGY CORP·Filed 1985·Granted Apr 7, 1987·56 cites·8 claims
- 0291US4704133AProcess for the photochemical stabilization of synthetic polyamide fibre materials with water-soluble copper complex dyeCIBA GEIGY CORP·Filed 1985·Granted Nov 3, 1987·43 cites·12 claims
- 0389US4193916ASulfo- or carboxy-aryl amino sulfonyl phenyl azo hydroxpyridine heavy metal complex dyesCIBA GEIGY CORP·Filed 1977·Granted Mar 18, 1980·16 cites·6 claims
- 0487US4655785AProcess for photochemical stabilization of polyamide and polyurethane fiber materials with metal complex compoundsCIBA GEIGY CORP·Filed 1985·Granted Apr 7, 1987·34 cites·9 claims
- 0581US4085097AProcess for the manufacture of chromium complexes from metallizable azo or azo methine dyesCIBA GEIGY AG·Filed 1976·Granted Apr 18, 1978·11 cites·4 claims
- 0676US4116952AUnsymmetrical azo - azo methine 1:2 chromium complex dyesCIBA GEIGY CORP·Filed 1977·Granted Sep 26, 1978·9 cites·2 claims
- 0776US4033942AChromium complex dye, including azo and azo methine dye compoundsCIBA GEIGY AG·Filed 1976·Granted Jul 5, 1977·10 cites·21 claims
- 0873US4141890AAzo compounds having a 3-sulphomethyl-pyrazolone-(5) coupler componentCIBA GEIGY CORP·Filed 1976·Granted Feb 27, 1979·8 cites·3 claims
- 0968US4053462AUnsymmetrical phenyl azo naphthyl chromium complex dyesCIBA GEIGY CORP·Filed 1976·Granted Oct 11, 1977·7 cites·1 claims
- 1068US4001203AHeavy metal complexes of azo dyestuffs containing a heterocyclic diazo component and the residue of 5-halogeno-2,3-dihydrozypyridine as coupling componentCIBA GEIGY AG·Filed 1974·Granted Jan 4, 1977·6 cites·5 claims
- 1166US3933785AAzo compoundsCIBA GEIGY AG·Filed 1973·Granted Jan 20, 1976·6 cites·17 claims
- 1264US4083839AUnsymmetrical mono sulfo containing 1:2 azo, azo chromium complex dyesCIBA GEIGY CORP·Filed 1976·Granted Apr 11, 1978·5 cites·2 claims
- 1359US4623358AProcess for dyeing natural or synthetic polyamide fibre materials with 1:1 metal complex dyes and fluoride, fluorosilicate or fluoroborateCIBA GEIGY CORP·Filed 1985·Granted Nov 18, 1986·6 cites·35 claims
- 1457US4331596AArylazoarylazo-substituted azo, azomethine 1:2 chromium complex dyesCIBA GEIGY CORP·Filed 1979·Granted May 25, 1982·4 cites·10 claims
- 1554US4723001AFibre-reactive chromium complexes and their preparation and useCIBA GEIGY CORP·Filed 1986·Granted Feb 2, 1988·4 cites·5 claims
- 1652US4005065AUnsymmetrical phenyl azo naphthyl chromium complex dyesCIBA GEIGY CORP·Filed 1974·Granted Jan 25, 1977·3 cites·4 claims
- 1751US9469058B2Seat structure and method for the production thereofJOHNSON CONTROLS TECH CO·Filed 2013·Granted Oct 18, 2016·0 cites·16 claims
- 1851US5001227AFibre-reactive 1:1 chromium complex azo or azomethine dyes having a bidentate chelating group and a monofunctional neutral ligandCIBA GEIGY CORP·Filed 1984·Granted Mar 19, 1991·4 cites·7 claims
- 1950US3971738AHeavy metal complexes of azo compounds containing a halogeno-2,3-dihydroxy pyridine coupling componentCIBA GEIGY AG·Filed 1973·Granted Jul 27, 1976·3 cites·3 claims
- 2049US4678851AMetal dye complexes containing an azo or azomethine dye and a colorless ligand with the C═N--N═C groupCIBA GEIGY CORP·Filed 1985·Granted Jul 7, 1987·4 cites·19 claims
- 2149US4105400AProcess for dyeing natural protein fibres with metallic azo dyesCIBA GEIGY CORP·Filed 1976·Granted Aug 8, 1978·3 cites·6 claims
- 2248US4033716ATransfer printing process for hydrophilic fibrous materialCIBA GEIGY AG·Filed 1974·Granted Jul 5, 1977·5 cites·16 claims
- 2348US4013630AChromium complex disazo dyesCIBA GEIGY CORP·Filed 1976·Granted Mar 22, 1977·3 cites·6 claims
- 2448US3970615AUnsymmetrical mono-sulfo containing chromium complexes of azo dyesCIBA GEIGY CORP·Filed 1974·Granted Jul 20, 1976·2 cites·5 claims
- 2546US4680385AMetal dye complexes containing an azo or azomethine dye and a colorless ligand with the C═N--N═C groupCIBA GEIGY CORP·Filed 1985·Granted Jul 14, 1987·3 cites·10 claims
- 2646US4432898ASulfo-substituted fibre-reactive 1:2-chromium complex azo dyesCIBA GEIGY CORP·Filed 1980·Granted Feb 21, 1984·3 cites·2 claims
- 2745US4874848AAsymmetrical polyazo chromium complex dyes comprising resorcinol as a coupling componentCIBA GEIGY CORP·Filed 1986·Granted Oct 17, 1989·3 cites·13 claims
- 2844US4617382A8-hydroxyquinoline sulfonic acid-azo chromium complexesCIBA GEIGY CORP·Filed 1983·Granted Oct 14, 1986·2 cites·2 claims
- 2943US4681596AProcess for dyeing natural or synthetic polyamide fibre materials with 1:1 metal complex dyes or mixtures of dyes with fluoride, fluorosilicate or fluoroborateCIBA GEIGY CORP·Filed 1986·Granted Jul 21, 1987·5 cites·25 claims
- 3042US4502860ABis-1:2-chromium complexes of disazo dyes, and their preparation and useCIBA GEIGY CORP·Filed 1983·Granted Mar 5, 1985·2 cites·15 claims
- 3140US4364864A1:2 Cobalt and chromium complex unsymmetrical azo dyesCIBA GEIGY CORP·Filed 1979·Granted Dec 21, 1982·1 cites·6 claims
- 3238US4818246AProcess for improving the light-fastness of leather dyeingsCIBA GEIGY CORP·Filed 1987·Granted Apr 4, 1989·3 cites·16 claims
- 3337US4818248AProcess for dyeing natural or synthetic polyamide fibre materials with 1:1 metal complex dyes in presence of alkali metal fluordsilicate or amindnlum silicateCIBA GEIGY CORP·Filed 1987·Granted Apr 4, 1989·3 cites·26 claims
- 3437US4171300AProcess for the manufacture of metal complex dyesCIBA GEIGY AG·Filed 1978·Granted Oct 16, 1979·1 cites·14 claims
- 3534US5229502APreparation of 1:2 chromium complexes one sulfo substituted and one sulfonamido or the like substituted azo dyesCIBA GEIGY CORP·Filed 1990·Granted Jul 20, 1993·1 cites·22 claims
- 3632US4431583APhenyl- or naphthyl-azo-(8-hydroxyquinoline) 1:2-cobalt complex dyes for leatherCIBA GEIGY CORP·Filed 1980·Granted Feb 14, 1984·0 cites·2 claims
- 3731US4813972AFiber-reactive chromium complexes and their preparation and use for polyamide, leather and cottonCIBA GEIGY CORP·Filed 1987·Granted Mar 21, 1989·0 cites·9 claims
- 3831US4582896A1:2-metal complex dyes containing one atom of chromium or cobalt and two azo dyes each formed by coupling two diazo compounds to resorcinolCIBA GEIGY CORP·Filed 1983·Granted Apr 15, 1986·0 cites·7 claims
- 3931US4502865AFibre-reactive chromium complex dyes, process for their manufacture and use thereof to dye cellulose or woolCIBA GEIGY CORP·Filed 1983·Granted Mar 5, 1985·1 cites·4 claims
- 4030US5207799AProcess for dyeing wool and blends thereof with other fibres using reactive dyes and colorless fiber-reactive dyeing assistantCIBA GEIGY CORP·Filed 1991·Granted May 4, 1993·1 cites·14 claims
- 4124US4874849AAsymmetric 1:2-chromium complex dyes containing two azo dyes, one containing an acetoacetanilide coupling componentCIBA GEIGY CORP·Filed 1986·Granted Oct 17, 1989·0 cites·21 claims
- 4222US4990598AFibre-reaction 1:1 chromium complex azo or azomethine dyes having a bidentate chelating group and a monofunctional neutral ligandSCHUETZ HANS U·Filed 1984·Granted Feb 5, 1991·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →