Keigo Nishihira

Person

Ube, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing alkyl nitrite
- Patent number 6,191,302
- Issue date Feb 20, 2001
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a diaryl oxalate
- Patent number 6,018,072
- Issue date Jan 25, 2000
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a polycarbonate
- Patent number 5,922,827
- Issue date Jul 13, 1999
- UBE Industries, Ltd.
- Keigo Nishihira
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst for decarbonylation reaction
- Patent number 5,892,091
- Issue date Apr 6, 1999
- Ube Industries, Ltd.
- Katsumasa Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing diaryl carbonate
- Patent number 5,892,089
- Issue date Apr 6, 1999
- Ube Industries, Ltd.
- Katsumasa Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing an ester compound
- Patent number 5,869,729
- Issue date Feb 9, 1999
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing diaryl carbonate
- Patent number 5,834,615
- Issue date Nov 10, 1998
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a diaryl carnonate
- Patent number 5,811,573
- Issue date Sep 22, 1998
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a diaryl carbonate
- Patent number 5,731,453
- Issue date Mar 24, 1998
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diphenyl oxalate-phenol adduct, process for producing the adduct an...
- Patent number 5,705,677
- Issue date Jan 6, 1998
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of diaryl carbonate
- Patent number 5,648,510
- Issue date Jul 15, 1997
- Ube Industries, Ltd.
- Katsumasa Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously producing dimethyl carbonate
- Patent number 5,631,396
- Issue date May 20, 1997
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously producing dimethyl carbonate
- Patent number 5,534,648
- Issue date Jul 9, 1996
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously producing dimethyl carbonate
- Patent number 5,514,829
- Issue date May 7, 1996
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing carbamates
- Patent number 5,463,109
- Issue date Oct 31, 1995
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing carbonic diester
- Patent number 5,380,906
- Issue date Jan 10, 1995
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing an N-hydroxycarbamate compound
- Patent number 5,315,032
- Issue date May 24, 1994
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying dimethyl carbonate
- Patent number 5,292,917
- Issue date Mar 8, 1994
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing sodium formyl acetone and 4,4-dimethoxy-2-butanone
- Patent number 5,276,200
- Issue date Jan 4, 1994
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for preparing dimethyl carbonate
- Patent number 5,214,185
- Issue date May 25, 1993
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a diester of carboxylic acid
- Patent number 5,162,563
- Issue date Nov 10, 1992
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purifying 2-methyl-4-amino-5-aminomethylpyrimidine
- Patent number 5,037,982
- Issue date Aug 6, 1991
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-hydroxymethylene-3,3-dialkoxypropanenitrile...
- Patent number 4,978,766
- Issue date Dec 18, 1990
- UBE Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for pre...
- Patent number 4,892,948
- Issue date Jan 9, 1990
- Ube Industries, Ltd.
- Keigo Nishihira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrim...
- Patent number 4,539,403
- Issue date Sep 3, 1985
- UBE Industries, Ltd.
- Kozo Fujii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-amino-5-dialkoxy-methylpyrimidine derivatives
- Patent number 4,492,792
- Issue date Jan 8, 1985
- UBE Industries, Ltd.
- Kozo Fujii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuous preparation of diester of oxalic acid
- Patent number 4,467,109
- Issue date Aug 21, 1984
- UBE Industries, Ltd.
- Susumu Tahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously preparing a diester of oxalic acid
- Patent number 4,461,909
- Issue date Jul 24, 1984
- UBE Industries, Ltd.
- Susumu Tahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-Alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the...
- Patent number 4,421,925
- Issue date Dec 20, 1983
- UBE Industries, Ltd.
- Sumio Umemura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing a diester of oxalic acid in the gaseous phase
- Patent number RE31245
- Issue date May 17, 1983
- UBE Industries, Ltd.
- Kozo Fujii
- 560 - Organic compounds

Keigo Nishihira

Person

Patents Grantslast 30 patents

Process for producing alkyl nitrite

Process for producing a diaryl oxalate

Process for producing a polycarbonate

Catalyst for decarbonylation reaction

Process for preparing diaryl carbonate

Method of producing an ester compound

Process for producing diaryl carbonate

Process for producing a diaryl carnonate

Process for producing a diaryl carbonate

Diphenyl oxalate-phenol adduct, process for producing the adduct an...

Process for preparation of diaryl carbonate

Process for continuously producing dimethyl carbonate

Process for continuously producing dimethyl carbonate

Process for continuously producing dimethyl carbonate

Process for preparing carbamates

Process for preparing carbonic diester

Method of producing an N-hydroxycarbamate compound

Process for purifying dimethyl carbonate

Method of preparing sodium formyl acetone and 4,4-dimethoxy-2-butanone

Continuous process for preparing dimethyl carbonate

Process for preparing a diester of carboxylic acid

Method of purifying 2-methyl-4-amino-5-aminomethylpyrimidine

Process for producing 2-hydroxymethylene-3,3-dialkoxypropanenitrile...

2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for pre...

Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrim...

Process for preparing 4-amino-5-dialkoxy-methylpyrimidine derivatives

Process for continuous preparation of diester of oxalic acid

Process for continuously preparing a diester of oxalic acid

4-Alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the...

Process for preparing a diester of oxalic acid in the gaseous phase