BLANKOPHOR GMBH & CO. KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 533
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON326
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8920605 Fluorescent whitening agent compositionsMar 22, 12Dec 30, 14[D21F]
8696867 Disulfo-type fluorescent whitening agentsSep 17, 10Apr 15, 14[D21F]
8696868 Disulfo-type fluorescent whitening agent compositionsSep 17, 10Apr 15, 14[D21F]
8608907 Fluorescent whitening agent compositionsJun 10, 09Dec 17, 13[C09K, C07D, D21H]
8354041 Composition and process for whitening paperJun 10, 09Jan 15, 13[C09K, C07D, D21H]
7608168 Alkanolammonium-containing triazinyl flavonate whitenersJul 22, 05Oct 27, 09[C09K, D21H]
7258815 Use of brighteners for the preparation of coating slipsApr 16, 03Aug 21, 07[D21H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0060,814 Use of Micronized Cellulose and Fluorescent Whitening Agent for Surface Treatment of Cellulosic MaterialsAbandonedApr 28, 14Mar 03, 16[D21H]
2013/0126,117 COMPOSITION AND PROCESS FOR WHITENING PAPERAbandonedJul 14, 11May 23, 13[D21H]
2012/0214,011 DISULFO-TYPE FLUORESCENT WHITENING AGENTS IN COATING APPLICATIONSAbandonedSep 17, 10Aug 23, 12[C09K, B32B]
6596864 Stilbene brightenerExpiredOct 30, 01Jul 22, 03[C07D, D06L]
6248887 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivativesExpiredMay 21, 98Jun 19, 01[C07D]

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