Osaka Yuki Kagaku Kogyo Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 2253
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5608021 Cationic polymer thickener and process for preparing the sameApr 12, 95Mar 04, 97[A61K, C08F]
5603926 Cosmetic composition comprising cationic polymer thickenerDec 08, 94Feb 18, 97[A61K]
5137573 Coating compositionOct 07, 91Aug 11, 92[C09K]
5093410 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsumJul 17, 91Mar 03, 92[C08L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5326819 Water absorbent polymer keeping absorbed water therein in the form of independent grainsExpiredOct 09, 91Jul 05, 94[C08L]
5164428 Method for the production of fine grain ice and dry clathrate water for manufacturing of concrete/mortar, a method for the production of concrete/mortar by using fine grain ice or dry clathrate water and concrete/mortar products manufactured therebyExpiredFeb 15, 90Nov 17, 92[C08K]
5147959 Optical resin articlesExpiredFeb 08, 91Sep 15, 92[C08G, G02B, C08L]
5092933 Method for the production of concrete/mortar by using dry clathrate water and concrete/mortar products produced therebyExpiredMar 18, 91Mar 03, 92[C04B]
5041475 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsumExpiredNov 21, 90Aug 20, 91[C04B]
5001264 N-phenyl-2,2,6,6-tetrahalocyclohexaneimine and processes for preparing 2,2,6,6-tetrahalocyclohexaneimine derivative and 2,6-dihaloaniline derivativeExpiredOct 27, 89Mar 19, 91[C07C]
4988390 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsumExpiredApr 17, 90Jan 29, 91[C04B]
4908479 N-phenyl-2,2,6,6-tetrahalocyclohexaneimineExpiredAug 03, 88Mar 13, 90[C07C]
4895887 Coating composition and wheel coated with the same for vehiclesExpiredAug 04, 88Jan 23, 90[C08K]
4875762 Photochromic-electrochromic intercalation compoundExpiredApr 08, 88Oct 24, 89[G02F]
4755262 Method for purification of glycidyl acrylate or glycidyl methacrylateExpiredOct 26, 87Jul 05, 88[C07D, B01D]
4735987 Method for manufacture of high-expansion type absorbent polymerExpiredJun 30, 86Apr 05, 88[C08F, C08K]
4652436 Preparation of nitride and carbide from inorganic-organic polymer complexExpiredJul 08, 85Mar 24, 87[C01B]
4395349 Vulcanization accelerator for chloroprene rubberExpiredMay 18, 81Jul 26, 83[C09K, C07C, C08K]

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