Osami Ohura

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing styrene oxide
- Patent number 5,155,241
- Issue date Oct 13, 1992
- Tokai Denka Kogyo Kabushiki Kaisha
- Keiichi Nishibe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble thiourea dioxide derivatives and process for preparin...
- Patent number 5,149,871
- Issue date Sep 22, 1992
- Tokai Denka Kogyo Kabushiki Kaisha
- Hirohisa Nitoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing high purity hydrogen peroxide
- Patent number 5,055,286
- Issue date Oct 8, 1991
- Tokai Denka Kogyo Kabushiki Kaisha
- Satoru Watanabe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing styrene oxide
- Patent number 5,041,569
- Issue date Aug 20, 1991
- Tokai Denka Kogyo Kabushiki Kaisha
- Saburo Enomoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thiourea dioxide derivatives
- Patent number 4,943,661
- Issue date Jul 24, 1990
- Tokai Denka Kogyo Kabushiki Kaisha
- Hirohisa Nitoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating 4,4-dihydroxydiphenyl sulfone from a mixture...
- Patent number 4,382,147
- Issue date May 3, 1983
- Tokai Denka Kogyo Kabushiki Kaisha
- Hirotsugu Kitamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of recovering thiourea dioxide
- Patent number 4,238,411
- Issue date Dec 9, 1980
- Tokai Denka Kogyo Kabushiki Kaisha
- Osami Ohura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing thiourea dioxide
- Patent number 4,233,238
- Issue date Nov 11, 1980
- Tokai Denka Kogyo Kabushiki Kaisha
- Osami Ohura
- C07 - ORGANIC CHEMISTRY

Osami Ohura

Person

Patents Grantslast 30 patents

Process for preparing styrene oxide

Water-soluble thiourea dioxide derivatives and process for preparin...

Process for preparing high purity hydrogen peroxide

Process for preparing styrene oxide

Process for preparing thiourea dioxide derivatives

Process for isolating 4,4-dihydroxydiphenyl sulfone from a mixture...

Method of recovering thiourea dioxide

Process for preparing thiourea dioxide