Kureha Kagaku Kogyo Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31236 Method of removing sulfur dioxide from combustion exhaust gasApr 02, 80May 10, 83[C01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6858642 Indole derivativesExpiredNov 26, 01Feb 22, 05[A61K, C07D]
6641878 Optical pickup device holding containerExpiredOct 14, 99Nov 04, 03[G11B, B32B]
2003/0125,508 Crystalline polyglycolic acid, polyglycolic acid composition and production process thereofAbandonedNov 02, 01Jul 03, 03[C08G]
2003/0032,767 High-strength polyester-amide fiber and process for producing the sameAbandonedAug 06, 02Feb 13, 03[C08G]
6469606 Coil componentExpiredJul 06, 00Oct 22, 02[H01F]
2002/0036,883 Activated carbon for electric double layer capacitorAbandonedDec 15, 00Mar 28, 02[C01B, H01G]
6342557 Resin composition and molded or formed productExpiredSep 03, 99Jan 29, 02[C08K]
6338900 Soft magnetic composite materialExpiredAug 24, 99Jan 15, 02[H01F]
6271426 Process for the production of 2,6-dichloro-3,5-di(secondary or tertiary alkyl)tolueneExpiredApr 15, 98Aug 07, 01[C07C]
6199017 Biochemical information processing apparatus, biochemical information processing method, and biochemical information recording mediumExpiredSep 16, 97Mar 06, 01[G06F]
6159901 6-phenoxy picolinic acid alkylidene hydrazide derivative, process for producing the same and herbicide using the sameExpiredFeb 23, 00Dec 12, 00[A01N]
6130279 Resin compositionExpiredApr 15, 99Oct 10, 00[C08K]
6088629 Displaying method of reaction path diagram of compoundExpiredMay 11, 98Jul 11, 00[G05B]
6054503 Plastic lens material and process for preparing the sameExpiredDec 08, 98Apr 25, 00[C08G]
5884763 Wrapping film housing cartonExpiredJul 30, 97Mar 23, 99[B65D]
5793544 Production process of composite optical filterExpiredNov 06, 95Aug 11, 98[F21V, G02B]
5789432 Aromatase-inhibiting composition containing azole derivativeExpiredOct 21, 94Aug 04, 98[A61K]
5777000 Plastic lens and production process thereofExpiredOct 16, 96Jul 07, 98[C08F]
5759448 Plastic optical materialExpiredOct 25, 96Jun 02, 98[F21V]
5726128 Benzyloxypyrimidine derivative, processes for producing the same and herbicidal compositionExpiredSep 08, 95Mar 10, 98[A01N, C07D]

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