KEMIRA OYJ

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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 786
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 3520
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3095
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2789
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1976
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 17189
 
  
 
B01D SEPARATION 12122
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 12126
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR1216
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1191

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0071,752 Depressants for Mineral Ore FlotationDec 18, 15Mar 15, 18[B03D]
2018/0036,743 Processes for Mineral Ore Flotation in the Presence of Multivalent Metal IonsAug 01, 17Feb 08, 18[B03D]
2018/0002,608 PROCESSES FOR TREATING TAILINGS STREAMSMay 30, 17Jan 04, 18[C10G]
2017/0368,480 Selective Flocculants for Mineral Ore BeneficationDec 18, 15Dec 28, 17[B03D, C08F, C08L, B01D]
2017/0362,487 EMULSIONS, TREATMENT FLUIDS AND METHODS FOR TREATING SUBTERRANEAN FORMATIONSDec 22, 15Dec 21, 17[C09K]
2017/0362,489 EMULSIONS CONTAINING ALKYL ETHER SULFATES AND USES THEREOFDec 22, 15Dec 21, 17[C09K, C08L]
2017/0341,958 REAL-TIME DEWATERING OPTIMIZATIONDec 10, 15Nov 30, 17[C02F]
2017/0313,788 Method for producing microfibrillated cellulose and microfibrillated celluloseOct 29, 15Nov 02, 17[C08B, C08L]
2017/0283,515 Methods of Preparing Hemicellulose CompositionsMar 30, 17Oct 05, 17[B03D, C08B]
2017/0288,250 An electrolyte membrane for use in an electrochemical cellAug 28, 15Oct 05, 17[H01M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919319 Method for improving rheological properties of mineral slurryDec 16, 15Mar 20, 18[B03D, B02C, C08K]
9920241 Breakers containing iron compounds and their methods of useMay 02, 14Mar 20, 18[C09K, E21B]
9902904 Tagged scale inhibiting polymer compositions and methods of inhibiting scale formationJan 07, 15Feb 27, 18[C09K, C08F, G01N, C02F]
9869060 Polymer and its preparation and useNov 20, 13Jan 16, 18[C08F, D21H]
RE46649 Method for improving rheological properties of an aqueous pigment slurry and a dispersion agentApr 29, 16Dec 26, 17[C04B, C09D, B60C, D21H, C08L, C08K]
RE46640 Method for improving rheological properties of an aqueous pigment slurry and a dispersion agentMay 02, 16Dec 19, 17[C09D, D21H, C08K]
9815718 Method of controlling addition rate of an odor control chemicalFeb 01, 13Nov 14, 17[C02F]
9816927 Method for analysing a sample comprising at least a first and a second scale inhibitorNov 18, 14Nov 14, 17[G01N]
9816977 Method and arrangement for detecting free fibre ends in paperMay 09, 14Nov 14, 17[G06T, G01N, G01B]
9809930 Papermaking agent system, method for making a papermaking agent system and its useNov 13, 13Nov 07, 17[C08B, D21H, C08L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0166,799 Defoaming Compositions and Processes for Cementing ApplicationsAbandonedOct 24, 16Jun 15, 17[C09K, C04B]
2016/0107,806 CLOSURE FOR A CONTAINERAbandonedApr 29, 14Apr 21, 16[B65D, A47G]
2015/0274,561 METHODS OF REDUCING SCALANT FORMATIONAbandonedOct 11, 13Oct 01, 15[C02F]
2015/0027,929 PROCESSES FOR TREATING TAILINGS STREAMSAbandonedJul 23, 14Jan 29, 15[C10G]
2015/0021,276 METHOD FOR PRODUCING CHLORINE DIOXIDEAbandonedJan 23, 13Jan 22, 15[C02F]
2014/0319,068 METHODS FOR TREATING METALS AND METALLOIDSAbandonedApr 24, 13Oct 30, 14[C02F]
2014/0054,229 COMPOSITIONS AND PROCESSES FOR DEOILING AQUEOUS STREAMS WITH TALCAbandonedAug 21, 12Feb 27, 14[C09K, E02B, C02F, B01D]
2014/0039,050 METHOD FOR PREVENTING BACTERIAL INFECTION IN A FERMENTATION PROCESSAbandonedFeb 24, 11Feb 06, 14[A01N, C12P]
2013/0331,601 METHOD FOR RECOVERY OF ORGANIC ACID FROM DILUTE AQUEOUS SOLUTIONAbandonedDec 09, 11Dec 12, 13[C07C]
2013/0299,109 METHOD FOR IMPROVING PAPERMAKING OR BOARD MAKING PROCESS, USE OF A POLYSACCHARIDE AND PAPERAbandonedSep 30, 11Nov 14, 13[D21H]
2013/0243,978 USE OF COMPOSITION FOR IMPROVING INKJET PRINTING PROPERTIES AND AN INKJET RECORDING SHEETAbandonedNov 08, 11Sep 19, 13[B41M]
2013/0245,158 METHODS OF MEASURING A CHARACTERISTIC OF A CREPING ADHESIVE FILM AND METHODS OF MODIFYING THE CREPING ADHESIVE FILMAbandonedMar 14, 13Sep 19, 13[G01H]
2013/0200,304 ACTIVE OXYGEN SOURCEAbandonedJan 24, 11Aug 08, 13[C09D]
2013/0164,814 CONTROL OF ENZYMES IN THE PRODUCTION OF PULPAbandonedMay 27, 11Jun 27, 13[C12N]
2012/0318,471 PROCESS FOR THE PREPARATION OF A PIGMENT-FIBRE COMPOSITEAbandonedFeb 10, 11Dec 20, 12[D21H]
2012/0255,698 Method and Composition for Improved Temporary Wet StrengthAbandonedJan 31, 12Oct 11, 12[D21H]
2012/0247,697 Polyamine Polyamidoamine Epihaloohydrin Compositions and Processes for Preparing and Using the SameAbandonedMar 29, 11Oct 04, 12[C08G, B31F, C08L, C08K]
2012/0244,063 PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDEAbandonedOct 29, 10Sep 27, 12[C01B]
2012/0160,774 DETERGENT BUILDERSAbandonedDec 28, 10Jun 28, 12[C08F, C02F]
2012/0050,392 USE OF COMPOSITION FOR IMPROVING INKJET PRINTING PROPERTIES AND AN INKJET RECORDING SHEETAbandonedMay 11, 10Mar 01, 12[B41J]

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