MITSUI CHEMICALS & SKC POLYURETHANES INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 14106
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 6132
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 664
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 474
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 399
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2123
 
  
 
A47C CHAIRS 152
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C08H DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS 114

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9873757 Polyester polyol, composition for polyurethane, composition for polyurethane foam, polyurethane resin, and polyurethane foamApr 13, 15Jan 23, 18[C08J, C08G]
9382372 Polyol, polyol composition, and flexible polyurethane foam using the sameAug 08, 11Jul 05, 16[C08G, C07C]
8770666 Molded urethane foam pad for vehicle seats, vehicle seat, and processes for the production thereofSep 17, 09Jul 08, 14[A47C]
8680002 Double metal cyanide catalyst having a controlled reactivity for preparing a polyol and preparation thereofNov 04, 08Mar 25, 14[B01J]
8318822 Vibration damping and sound absorbing material and production process thereofApr 21, 08Nov 27, 12[C08G]
8236869 Polyether polyol, rigid polyurethane foam and processes for production thereofOct 25, 07Aug 07, 12[C08G, C07C]
8188156 Polyol composition, foaming composition and polyurethane foamNov 06, 08May 29, 12[C08G]
6667416 Method and apparatus for producing polyester polyol, polyester polyol and polyurethane foamJul 26, 01Dec 23, 03[C07C]
6664365 Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compoundSep 03, 99Dec 16, 03[C08G]
6627575 Double metal cyanide complex catalyst for producing polyolMar 29, 02Sep 30, 03[B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6936684 Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compoundExpiredJun 11, 03Aug 30, 05[C08G, C08K]

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