Shiraki; Shigemi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shiraki; Shigemi.The latest application filed is for "cycloolefin random copolymer and process for preparing same".

Company Profile

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Shiraki; Shigemi - Yamaguchi JP
Shiraki; Shigemi - Kuga JP
Shiraki; Shigemi - Iwakuni JP
Shiraki; Shigemi - Both of Iwakuni JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cycloolefin random copolymer and process for preparing same Grant 5,272,235 - Wakatsuru , et al. December 21, 1	1993-12-21
Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof Grant 5,241,046 - Shiraki , et al. August 31, 1	1993-08-31
Process for the production of high purity terephthalic acid Grant 5,166,420 - Shiraki , et al. November 24, 1	1992-11-24
Process for the production of aromatic carboxylic acids Grant 4,827,025 - Shiraki , et al. May 2, 1	1989-05-02
Tubular polymerization reactor, and process for polymerization Grant 4,383,093 - Shiraki , et al. May 10, 1	1983-05-10
Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds Grant 4,243,636 - Shiraki , et al. January 6, 1	1981-01-06
Process for producing terephthalic acid Grant 4,241,220 - Itaya , et al. December 23, 1	1980-12-23
Process for treatment by liquid cyclone for production of terephthalic acid suspension having reduced impurity content Grant 4,212,995 - Shiraki July 15, 1	1980-07-15

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