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Yoshihiko Kambara
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Production method of trihydrocarbylborane
Patent number
7,705,187
Issue date
Apr 27, 2010
Nippon Aluminum Alkyls, Ltd.
Tadao Nishida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Concentration method of aqueous acrylamide solution
Patent number
5,922,912
Issue date
Jul 13, 1999
Mitsui Chemicals, Inc.
Yoshihiko Kambara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing acrylamide
Patent number
5,534,655
Issue date
Jul 9, 1996
Mitsui Toatsu Chemicals, Inc.
Yoshihiko Kambara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation process of acrylamide from purified acrylonitrile
Patent number
5,476,883
Issue date
Dec 19, 1995
Mitsui Toatsu Chemicals, Inc.
Takeya Abe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing dipentaerythritol
Patent number
5,254,749
Issue date
Oct 19, 1993
Mitsui Toatsu Chemicals, Inc.
Yoshihiko Kambara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation process of (meth)acrylamide
Patent number
5,041,656
Issue date
Aug 20, 1991
Mitsui Toatsu Chemicals, Inc.
Shiro Asano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation process of acrylamide
Patent number
5,015,766
Issue date
May 14, 1991
Mitsui Toatsu Chemicals, Incorporated
Yoshihiko Kambara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation process of acrylamide crystals
Patent number
4,670,590
Issue date
Jun 2, 1987
Mitsui Toatsu Chemicals, Incorporated
Yoshihiko Kambara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for purifying an aqueous solution of acrylamide
Patent number
4,345,101
Issue date
Aug 17, 1982
Mitsui Toatsu Chemicals, Inc.
Shiro Asano
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Production Method of Trihydrocarbylborane
Publication number
20080287712
Publication date
Nov 20, 2008
NIPPON ALUMINUM ALKYLS, LTD.
Tadao Nishida
C07 - ORGANIC CHEMISTRY