Inventor · disambiguated record
Stefan Ehrenberg
Also filed as: EHRENBERG STEFAN
16 granted patents·6 pending applications·44 citations·filing 1994–2012
90Inventor score
Files withDYSTAR TEXTILFARBEN GMBH & CO12BAYER AG4BARBIERU ROXANA1DYSTAR COLOURS DEUTSCHLAND1DYSTAR TEXTIFARBEN GMBH & CO D1
Top patents by PatentIndex Score
22 records- 0169US6358287B1Mixtures of fiber-reactive dyes, preparation thereof and use thereof for dyeing fiber materialsDYSTAR TEXTILFARBEN GMBH & CO·Filed 2000·Granted Mar 19, 2002·7 cites·14 claims
- 0265US7381228B2Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber MaterialsDYSTAR TEXTILFARBEN GMBH & CO·Filed 2007·Granted Jun 3, 2008·1 cites·9 claims
- 0364US7414129B2Reactive triphendioxazine dyes, methods for the production thereof, and use thereofDYSTAR TEXTILFARBEN GMBH & CO·Filed 2005·Granted Aug 19, 2008·1 cites·9 claims
- 0464US6060591AWater-soluble fiber-reactive dyes, processes for their preparation, and their useDYSTAR TEXTILFARBEN GMBH & CO·Filed 1997·Granted May 9, 2000·10 cites·16 claims
- 0562US5460631ABifunctional reactive dyestuff mixtureBAYER AG·Filed 1994·Granted Oct 24, 1995·7 cites·11 claims
- 0659US7129336B2Reactive azo dyes, their preparation and their useDYSTAR TEXTILFARBEN GMBH & CO·Filed 2005·Granted Oct 31, 2006·1 cites·16 claims
- 0757US6444794B1Water-soluble fiber-reactive dyes preparation thereof and use thereofDYSTAR TEXTILFARBEN GMBH & CO·Filed 2000·Granted Sep 3, 2002·3 cites·20 claims
- 0855US5502174AReactive dyestuffs based on a substituted barbituric acidBAYER AG·Filed 1994·Granted Mar 26, 1996·5 cites·9 claims
- 0950US6809187B2Metal complex dyes based on Bucherer naphtholsDYSTAR TEXTILFARBEN GMBH & CO.·Filed 2001·Granted Oct 26, 2004·1 cites·21 claims
- 1049US7109313B2Water-soluble reactive mono- and di-azo dyesDYSTAR TEXTILFARBEN GMBH & CO·Filed 2003·Granted Sep 19, 2006·1 cites·14 claims
- 1148US2011173764A1Multiple step dyeing textile with concentrated dye systemsDYSTAR COLOURS DEUTSCHLAND·Filed 2009·Application pending·0 cites
- 1247US2009320217A1Mixtures of fibre-reactive azo dyesDYSTAR TEXTIFARBEN GMBH & CO D·Filed 2008·Application pending·0 cites
- 1345US7468081B2Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materialsDYSTAR TEXTILFARBEN GMBH & CO·Filed 2004·Granted Dec 23, 2008·0 cites·8 claims
- 1445US6124441AMonoaso compounds containing a fluoro-triazinyl group linked with a fiber-reactive group of the vinyl sulfone series via an ethyl-n-methyly-amino group, suitable as dyestuffsDYSTAR TEXTILFARBEN GMBH & CO·Filed 1999·Granted Sep 26, 2000·3 cites·15 claims
- 1544US2012284934A1Fiber-reactive azo dyes, preparation thereof and use thereofEHRENBERG STEFAN·Filed 2012·Application pending·0 cites
- 1643US5880282ATriphendioxazine reactive dyestuffBAYER AG·Filed 1997·Granted Mar 9, 1999·3 cites·9 claims
- 1743US2010016519A1Colored organopolysiloxanesRUSS WERNER·Filed 2007·Application pending·0 cites
- 1837US2003177944A1Inkjet dyesFiled 2003·Application pending·0 cites
- 1935US5712394AProcess for preparing 2,4,6-trichloropyrimidineBAYER AG·Filed 1996·Granted Jan 27, 1998·1 cites·10 claims
- 2032US2009209743A1Coloured organopolysiloxanesBARBIERU ROXANA·Filed 2007·Application pending·0 cites
- 2130US5834601AWater-soluble fiber-reactive dyes, process for their preparation, and their useDYSTAR TEXTILFARBEN GMBH & CO·Filed 1997·Granted Nov 10, 1998·0 cites·20 claims
- 2228US6046311AWater-soluble fiber-reactive dyes, preparation thereof and use thereofDYSTAR TEXTILFARBEN GMBH & CO·Filed 1998·Granted Apr 4, 2000·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →