MITSUBISHI CHEMICAL INDUSTRIES LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5290649 Electrophotographic photoreceptor comprising a photosensitive layer containing a naphthylhydrazone compoundSep 16, 88Mar 01, 94[G03G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5612424 Fiber-reinforced resin compositionExpiredAug 18, 94Mar 18, 97[C08F]
5116739 Process for the production of human apolipoprotein E, and transformed hosts and products thereofExpiredDec 22, 88May 26, 92[C12P, C12N]
5051376 Method for producing semiconductor device and semiconductor device produced therebyExpiredJan 11, 90Sep 24, 91[H01L]
5037575 Squarilium compound and liquid crystal composition containing the sameExpiredOct 29, 90Aug 06, 91[G03G, G02F]
5037927 Vinylamine copolymer and process for producing sameExpiredAug 10, 88Aug 06, 91[C08F]
5032511 DNA fragments coding for antigens specific to non-A non-B hepatitis, expression vectors containing said DNA fragments, transformants and process for producing said antigensExpiredMar 15, 88Jul 16, 91[C07H, C12P, C12N, C07K]
4985171 Anthraquinone type compound and liquid crystal composition containing such compoundExpiredJan 02, 90Jan 15, 91[C09K, C07D, G02F]
4977230 Heat-resistant film or sheetExpiredFeb 05, 90Dec 11, 90[C08G]
4973681 Process for stabilizing polyol fatty acid polyestersExpiredOct 02, 89Nov 27, 90[C07H, C08B]
4968642 Method of making a gallium arsenide phosphide-, mixed crystal-epitaxial waferExpiredJul 20, 89Nov 06, 90[H01L]
4960871 Fiber-reactive halotriazine pyridine-based monoazo colorantExpiredFeb 17, 89Oct 02, 90[C09B, D06P]
4960897 Herbicide containing 1-(halogenomethyl)-vinyl pyridinesExpiredMar 02, 88Oct 02, 90[C07D]
4956256 Photosensitive member for electrophotographyExpiredJun 09, 89Sep 11, 90[G03G]
4956375 N-indanyl carboxamide derivative and agricultural/horticultural fungicide containing the derivative as active ingredientExpiredNov 29, 89Sep 11, 90[A01N, C07D]
4937201 Latex reagent for detection of the toxin of clostridium difficileExpiredMay 17, 83Jun 26, 90[G01N]
4931573 Method for producing a lactoneExpiredApr 04, 88Jun 05, 90[C07D]
4921959 Anthraquinone compounds and polarizing film containing the sameExpiredApr 27, 89May 01, 90[C07D, C07C]
4904787 Method for producing 2,4-dihydroxyquinoline derivativesExpiredApr 04, 88Feb 27, 90[C07D]
4904567 Optical recording memberExpiredFeb 18, 88Feb 27, 90[B41M, G03C, G11B, G01D]
4895983 Process for producing methylol urea solution and process for producing slow-releasing nitrogenous fertilizer using the sameExpiredApr 13, 89Jan 23, 90[C07C, C07B]

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