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Koichi Hirai
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Ube, JP
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last 30 patents
Information
Patent Grant
Preparation of .alpha.-keto acid ester
Patent number
5,523,459
Issue date
Jun 4, 1996
Ube Industries, Ltd.
Koichi Hirai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing a glycolic acid ester
Patent number
5,455,372
Issue date
Oct 3, 1995
Ube Industries, Ltd.
Koichi Hirai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
For producing ethylene glycol and/or a glycolic acid ester, catalys...
Patent number
4,647,551
Issue date
Mar 3, 1987
Ube Industries, Ltd.
Haruhiko Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst composition for producing ethylene glycol and process for...
Patent number
4,614,728
Issue date
Sep 30, 1986
Ube Industries, Ltd.
Koichi Hirai
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing ethylene glycol and/or glycolic acid ester, c...
Patent number
4,585,890
Issue date
Apr 29, 1986
Ube Industries, Ltd.
Haruhiko Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of ethylene glycol and/or glycollic acid...
Patent number
4,551,565
Issue date
Nov 5, 1985
Ube Industries, Ltd.
Haruhiko Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing lower alkylene glycol, catalyst composition u...
Patent number
4,511,744
Issue date
Apr 16, 1985
UISE Industries, Ltd.
Haruhiko Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ethylene glycol and/or glycolic acid ester, c...
Patent number
4,440,873
Issue date
Apr 3, 1984
Ube Industries, Ltd.
Haruhiko Miyazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of glycollic acid esters
Patent number
4,409,395
Issue date
Oct 11, 1983
UBE Industries, Ltd.
Haruhiko Miyazaki
C07 - ORGANIC CHEMISTRY