DYSTAR L.P.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D06P DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM 217
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 142
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
C14C CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING 110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8506654 Disperse dye mixtures which have a high degree of light fastness and build-upMar 29, 11Aug 13, 13[D06P]
8038736 Mixtures of fiber-reactive azo dyesMar 03, 10Oct 18, 11[C09D, C09B]
6620212 Method of dyeing a corespun yarn and dyed corespun yarnOct 05, 00Sep 16, 03[D06P]
5634948 Low-fogging finish treatment for upholstery leather, and methodJul 10, 95Jun 03, 97[C14C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6391065 UV light absorber composition and method of improving the lightfastness of dyed textilesExpiredNov 03, 95May 21, 02[C09K, D06P]
6110231 Method of processing textile products utilizing decomposable emulsifiersExpiredJun 01, 98Aug 29, 00[D06P, D06M]
6007584 Scouring agent composition for fiberExpiredSep 01, 98Dec 28, 99[D06L]
5973178 Dye intermediatesExpiredMay 20, 98Oct 26, 99[C07C]
5932708 Reactive azo dyes having a permanent quaternary ammonium group and a fiber-reactive groupExpiredMay 01, 98Aug 03, 99[C09B]
5925745 Reactive dyes containing a permanent quaternary ammonium groupExpiredMay 11, 98Jul 20, 99[C09B]
5811529 Bis-pyridone compoundsExpiredMar 07, 97Sep 22, 98[C07C]
5696241 Sulfonated quinolone compound and method of preparationExpiredJan 15, 97Dec 09, 97[C07D, C09B]
5693103 Process for dyeing polyester/cotton blendsExpiredJan 24, 97Dec 02, 97[D06P]
5385681 Scouring agent composition for fabricExpiredJul 13, 93Jan 31, 95[D06M]
4906248 Dyeing assistant composition for cellulose fibersExpiredMar 24, 88Mar 06, 90[C09B]
4595394 Agent for improving processability of cellulose fibers: acid polymer salts for improved scouringExpiredApr 02, 84Jun 17, 86[D06P, D06L, C11D]

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