OYJ, KEMIRA

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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 731
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3122
 
  
 
C09B ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES 340
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 247
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
D06P DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM 217
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9815718 Method of controlling addition rate of an odor control chemicalFeb 01, 13Nov 14, 17[C02F]
9212247 Method for controlling size distribution of polymer particles during preparation of aqueous polymer dispersion and aqueous polymer dispersionOct 09, 14Dec 15, 15[C08F, D21H, C08L, C08K]
9212453 Paper and methods of making paperSep 26, 12Dec 15, 15[D21H]
8114936 Cationic polymers containing 2-hydroxyalkyl-(meth)acrylates as promoters for ASA sizingApr 06, 11Feb 14, 12[C08F]
7915340 Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymersFeb 03, 10Mar 29, 11[C08F, C08B, C08L]
7829305 Method for monitoring the presence of biofilmforming microorganisms in paper industryNov 05, 04Nov 09, 10[C12Q]
7786238 Cationic starch graft copolymers and novel process for the preparation of cationic starch graft copolymersFeb 26, 04Aug 31, 10[C08F, C08L]
7608168 Alkanolammonium-containing triazinyl flavonate whitenersJul 22, 05Oct 27, 09[C09K, D21H]
7481905 Process for manufacturing boardDec 19, 02Jan 27, 09[D21H, D21C]
7258815 Use of brighteners for the preparation of coating slipsApr 16, 03Aug 21, 07[D21H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7311835 Method for supplying oxygen to a water purification processExpiredNov 20, 03Dec 25, 07[C02F]
2006/0225,856 Papermaking using modified sheet silicates as microparticlesAbandonedSep 21, 05Oct 12, 06[D21H]
6989106 Process for the preparation of polymeric condensates and their useExpiredJun 09, 03Jan 24, 06[C14C]
6596864 Stilbene brightenerExpiredOct 30, 01Jul 22, 03[C07D, D06L]
2003/0089,888 Use of aqueous brightener preparations for brightening natural and synthetic materialsAbandonedSep 20, 02May 15, 03[C09K]
6248887 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivativesExpiredMay 21, 98Jun 19, 01[C07D]
6084078 Disazo dyestuffs for dyeing cellulosic materialsExpiredDec 17, 97Jul 04, 00[C09B]
6031083 Disazo dyestuffsExpiredMar 19, 99Feb 29, 00[C09B, D06P]

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