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Yuuji Shimasaki
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Otsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Packing for reaction tube, reaction tube, and reaction method using...
Patent number
10,099,189
Issue date
Oct 16, 2018
Nippon Shokubai Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Gas-phase dehydration reaction process
Patent number
6,489,515
Issue date
Dec 3, 2002
Nippon Shokubai Co., Ltd.
Hideyuki Kambe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering N-vinyl-2-pyrrolidone
Patent number
6,436,243
Issue date
Aug 20, 2002
Nippon Shokubai Co Ltd
Yoshinari Yamaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production process for vinylpyrrolidone polymer
Patent number
6,391,994
Issue date
May 21, 2002
Nippon Shokubai Co., Ltd.
Daijo Tomihisa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production process for polyvinyl ether and catalyst used for the pr...
Patent number
6,235,859
Issue date
May 22, 2001
Nippon Shokubah Co Ltd
Akio Naka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for recovering alkyl vinyl ether
Patent number
6,090,988
Issue date
Jul 18, 2000
Nippon Shokubai Co., Ltd.
Hideyuki Kambe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of tertiary amine compound
Patent number
5,847,213
Issue date
Dec 8, 1998
Nippon Shokubai Co., Ltd.
Akira Kurusu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of cyclic N-vinyl carboxylic acid amide
Patent number
5,801,252
Issue date
Sep 1, 1998
Nippon Shokubai Co., Ltd.
Hitoshi Yano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of vinyl ether
Patent number
5,773,669
Issue date
Jun 30, 1998
Nippon Shokubai Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of N-vinyl compound
Patent number
5,700,946
Issue date
Dec 23, 1997
Nippon Shokubai Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of unsaturated ether and catalyst used for p...
Patent number
5,650,544
Issue date
Jul 22, 1997
Nippon Shokubai Co., Ltd.
Kimio Ariyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for production of tertiary N-alkenyl carboxylic acid amide...
Patent number
5,625,076
Issue date
Apr 29, 1997
Nippon Shokubai Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing isocyanates using sintered oxides
Patent number
5,326,903
Issue date
Jul 5, 1994
Nippon Shokubai Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkylene sulfides
Patent number
5,304,656
Issue date
Apr 19, 1994
Nippon Shokubai Co., Ltd.
Hitoshi Yano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing ethylenediamines
Patent number
5,262,570
Issue date
Nov 16, 1993
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing ethylenediamines
Patent number
5,235,107
Issue date
Aug 10, 1993
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing N-substituted aziridine compound
Patent number
5,231,189
Issue date
Jul 27, 1993
Nippon Shokubai Co., Ltd.
Hideaki Tuneki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aziridines
Patent number
4,966,980
Issue date
Oct 30, 1990
Nippon Shokubai Kagaku Kogyo Co. Ltd.
Teruo Kamei
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Vapor-phase intramolecular dehydration reaction of alkanolamines
Patent number
4,841,060
Issue date
Jun 20, 1989
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Youichi Hino
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing cyclic amines
Patent number
4,841,061
Issue date
Jun 20, 1989
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for vapor-phase intramolecular dehydration reaction of alk...
Patent number
4,833,248
Issue date
May 23, 1989
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for vapor-phase intramolecular dehydration reaction of alk...
Patent number
4,774,218
Issue date
Sep 27, 1988
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Vapor-phase hydrogen transfer reaction of carbonyl compound with al...
Patent number
4,731,488
Issue date
Mar 15, 1988
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yuuji Shimasaki
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PACKING FOR REACTION TUBE, REACTION TUBE, AND REACTION METHOD USING...
Publication number
20160279587
Publication date
Sep 29, 2016
Nippon Shokubai Co., Ltd.
Yuuji SHIMASAKI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Production process for vinylpyrrolidone polymer
Publication number
20010020078
Publication date
Sep 6, 2001
Daijo Tomihisa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Gas-phase dehydration reaction process
Publication number
20010014760
Publication date
Aug 16, 2001
NIPPON SHOKUBAI CO., LTD.
Hideyuki Kambe
C07 - ORGANIC CHEMISTRY