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Kiyoshi Ikimi
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Oita, JP
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last 30 patents
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Patent Grant
Separation and purification method of t-butyl-methylphenol isomer
Patent number
6,120,653
Issue date
Sep 19, 2000
Sumitomo Chemical Company, Limited
Kiyoshi Ikimi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of cresols
Patent number
5,600,026
Issue date
Feb 4, 1997
Sumitomo Chemical Company, Limited
Kiyoshi Ikimi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of cresols
Patent number
5,399,791
Issue date
Mar 21, 1995
Suitomo Chemical Company, Limited
Kiyoshi Ikimi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkyl-substituted aromatic hydrocarbons
Patent number
5,202,515
Issue date
Apr 13, 1993
Sumitomo Chemical Company, Limited
Masami Fukao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkyl-substituted aromatic hydrocarbon
Patent number
5,118,895
Issue date
Jun 2, 1992
Sumitomo Chemical Co., Ltd.
Takuo Hibi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkyl-substituted aromatic hydrocarbon
Patent number
5,097,088
Issue date
Mar 17, 1992
Sumitomo Chemical Company, Limited
Masami Fukao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkyl-substituted aromatic hydrocarbons
Patent number
5,043,507
Issue date
Aug 27, 1991
Sumitomo Chemical Company, Limited
Masami Fukao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkyl-substituted aromatic hydrocarbons
Patent number
4,962,254
Issue date
Oct 9, 1990
Sumitomo Chemical Company, Limited
Masami Fukao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for dimerizing lower .alpha.-olefins
Patent number
4,709,112
Issue date
Nov 24, 1987
Sumitomo Chemical Company, Limited
Hiroshi Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 2-(2'-methyl-1'-propenyl)-4-methyltetrahydrop...
Patent number
4,340,544
Issue date
Jul 20, 1982
Sumitomo Chemical Company, Limited
Gohu Suzukamo
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for preparing arylacetaldehydes
Patent number
4,338,467
Issue date
Jul 6, 1982
Sumitomo Chemical Company, Limited
Tetsuo Takano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alcohols
Patent number
4,317,918
Issue date
Mar 2, 1982
Sumitomo Chemical Co., Ltd.
Tetsuo Takano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 2-(2'-methyl-1'-propenyl)-4-methyltetrahydrop...
Patent number
4,312,717
Issue date
Jan 26, 1982
Sumitomo Chemical Company, Limited
Gohu Suzukamo
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR