Arakawa Kagaku Kogyo Kabushiki Kaisha

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09F NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS 26
 
  
 
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 236
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
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

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5817214 Rosin emulsion sizing agent for paper making and method for paper sizing using the sameNov 29, 96Oct 06, 98[D21H]
5606016 Process for preparing colorless rosinsJan 18, 95Feb 25, 97[C08F]
5395920 Process for preparing rosin and colorless rosin comprising disproportionation and dehydrogenationJul 26, 94Mar 07, 95[C09F]
5387669 Process for preparing rosin ester and colorless rosinAug 17, 93Feb 07, 95[C09F]
5145522 Ketene dimer sizing agent for paper makingFeb 04, 91Sep 08, 92[C09D, D21H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6011103 Aqueous dispersion of cationic fine grain gel and process for preparing the sameExpiredOct 21, 97Jan 04, 00[C08F]
5512641 Aromatic polyimine and process for preparing the same, and aromatic oligoimine used for aromatic polyimine and process for preparing the sameExpiredMar 24, 95Apr 30, 96[C08G]
5354784 Cyclopentadienyliron complex salt, process for preparing the same and photopolymerizable composition containing the sameExpiredAug 10, 92Oct 11, 94[C07F, C08F]
5292826 Process for lowering iodine value of resinExpiredMar 24, 93Mar 08, 94[C08F]
5062922 Sizing paper with .alpha.-hydroxycarboxylic acidExpiredSep 22, 89Nov 05, 91[D21H]
5053507 Optically active pyrimidines derivativesExpiredMar 21, 90Oct 01, 91[C09K, C07D]
4906733 Process for preparing colorless rosinExpiredSep 23, 88Mar 06, 90[C09F]
4863825 Low temperature electrophotographic toner composition comprising nonlinear polyester resinExpiredNov 09, 87Sep 05, 89[G03G]
4847010 Process for preparing rosin ester with esterification and hydrogenationExpiredJan 28, 88Jul 11, 89[C09F]
4814249 Electrophotographic toner composition excellent in fixing property at low temperatureExpiredMar 26, 87Mar 21, 89[G03G]
4758617 Process for preparing water-absorbing resinExpiredJun 16, 86Jul 19, 88[C08G, C08L, C08K]
4647636 Process for preparing highly water-absorbent resinExpiredSep 11, 85Mar 03, 87[C08F]
4622357 Pressure-sensitive adhesive compositionsExpiredMar 08, 85Nov 11, 86[C09J, C08L]
4618640 Hot-melt adhesive compositions comprising a partially (fumarized and/or maleinized) disproportionated rosin ester tackifierExpiredMar 20, 85Oct 21, 86[C09J, C08L]
4587308 Method for producing improved water-absorbent resinsExpiredFeb 04, 85May 06, 86[C08J]
4579922 Emulsifier for emulsion polymerizationExpiredMay 16, 85Apr 01, 86[C08F]
4544414 Self-emulsifying sizing compositionExpiredFeb 06, 84Oct 01, 85[C09K, D21F]
4540480 Process for preparing hydrogenated petroleum resinExpiredOct 21, 83Sep 10, 85[C10C]
4508806 Electrophotographic toner compositionExpiredJul 15, 83Apr 02, 85[G03G]
4507376 Electrophotographic toner compositionExpiredJul 15, 83Mar 26, 85[G03G]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.