Inventor
EHRENBERG STEFAN
DE16 patents
⚠️ This page may combine multiple inventors who share the name “EHRENBERG STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DYSTAR TEXTILFARBEN GMBH & CO
11 patentsUS6358287B1Mar 19, 2002
Mixtures of fiber-reactive dyes, preparation thereof and use thereof for dyeing fiber materials
DYSTAR TEXTILFARBEN GMBH & CO7 citations73
US6060591AMay 9, 2000
Water-soluble fiber-reactive dyes, processes for their preparation, and their use
DYSTAR TEXTILFARBEN GMBH & CO10 citations71
US6124441ASep 26, 2000
Monoaso 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 dyestuffs
DYSTAR TEXTILFARBEN GMBH & CO3 citations62
US6444794B1Sep 3, 2002
Water-soluble fiber-reactive dyes preparation thereof and use thereof
DYSTAR TEXTILFARBEN GMBH & CO3 citations61
US7414129B2Aug 19, 2008
Reactive triphendioxazine dyes, methods for the production thereof, and use thereof
DYSTAR TEXTILFARBEN GMBH & CO1 citations51
US7109313B2Sep 19, 2006
Water-soluble reactive mono- and di-azo dyes
DYSTAR TEXTILFARBEN GMBH & CO1 citations51
US7468081B2Dec 23, 2008
Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials
DYSTAR TEXTILFARBEN GMBH & CO0 citations49
US7381228B2Jun 3, 2008
Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials
DYSTAR TEXTILFARBEN GMBH & CO1 citations49
US7129336B2Oct 31, 2006
Reactive azo dyes, their preparation and their use
DYSTAR TEXTILFARBEN GMBH & CO1 citations45
US5834601ANov 10, 1998
Water-soluble fiber-reactive dyes, process for their preparation, and their use
DYSTAR TEXTILFARBEN GMBH & CO0 citations41
US6046311AApr 4, 2000
Water-soluble fiber-reactive dyes, preparation thereof and use thereof
DYSTAR TEXTILFARBEN GMBH & CO0 citations39
BAYER AG
4 patentsUS5460631AOct 24, 1995
Bifunctional reactive dyestuff mixture
BAYER AG7 citations73
US5880282AMar 9, 1999
Triphendioxazine reactive dyestuff
BAYER AG3 citations62
US5502174AMar 26, 1996
Reactive dyestuffs based on a substituted barbituric acid
BAYER AG5 citations60
US5712394AJan 27, 1998
Process for preparing 2,4,6-trichloropyrimidine
BAYER AG1 citations49