Toyo Soda Manufacturing Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5118769 Manufacturing method of polyolefinExpiredJul 05, 88Jun 02, 92[C08F]
5055408 Automated immunoassay analyserExpiredSep 28, 90Oct 08, 91[G01N]
4925613 Process for preparation of synthetic faujasite molded bodyExpiredDec 12, 86May 15, 90[C04B]
4916081 Assay method and apparatus of immune reactionExpiredJul 06, 87Apr 10, 90[G01N]
4906782 Process for preparation of alkyleneaminesExpiredAug 12, 87Mar 06, 90[C07C]
4900766 Radiation-resistant high molecular compositionExpiredSep 21, 87Feb 13, 90[G21F]
4898970 Process for producing fluorinated estersExpiredFeb 01, 83Feb 06, 90[C07C]
4898998 Process for producing brominated acenaphthylene condensatesExpiredMay 31, 84Feb 06, 90[C07C]
4897451 Chlorosulfonated polyethyleneExpiredJul 15, 87Jan 30, 90[C08F]
4879039 Process for measuring stable-type glycated hemoglobin in a sampleExpiredJul 30, 87Nov 07, 89[B01D]
4861571 Process for preparation of synthetic mordenite molded bodyExpiredSep 19, 86Aug 29, 89[C01B]
4849560 Process for preparation of halogenated benzene derivativesExpiredAug 24, 88Jul 18, 89[C07C]
4845297 Process for producing polyaminesExpiredDec 30, 87Jul 04, 89[C07C]
4826935 Process for gas phase polymerization of vinyl chlorideExpiredJul 02, 87May 02, 89[C08F]
4818809 Aromatic sulfide amide polymer and a process for the production thereofExpiredSep 14, 87Apr 04, 89[C08G]
4816408 Nozzle device in an apparatus for biochemical reactionsExpiredMay 21, 87Mar 28, 89[C12M, B01L]
4810659 Process for injecting a minute volume of a solution and an apparatus thereforExpiredOct 14, 86Mar 07, 89[G01N]
4808540 Method for chromatographical analysis of anionsExpiredMay 29, 87Feb 28, 89[G01N]
4804726 Manufacturing method of polyolefinExpiredMay 16, 88Feb 14, 89[C08F]
4794088 Method and apparatus for separating and analyzing using liquid chromatographyExpiredSep 18, 86Dec 27, 88[G01N]

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