Hiroshi Yoshida

Follow

Person

Toyanaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for recovering methacrolein
- Patent number 5,248,819
- Issue date Sep 28, 1993
- Nippon Shokubai Kagaku Ogyo Co., Ltd.
- Syoichi Matsumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing methacrylic ester
- Patent number 4,956,493
- Issue date Sep 11, 1990
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Masatoshi Ueoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of isolating methacrylic acid
- Patent number 4,925,981
- Issue date May 15, 1990
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Noboru Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of unsaturated carboxylic acid esters
- Patent number 4,833,267
- Issue date May 23, 1989
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Sumio Nakashima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of collecting pyromellitic anhydride
- Patent number 4,725,291
- Issue date Feb 16, 1988
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Masatoshi Ueoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-hydroxyalkyl acrylates or methacrylates
- Patent number 4,365,081
- Issue date Dec 21, 1982
- Nippon Shokubai Kagaku Kogyo Co. Ltd.
- Noboru Shimizu
- C07 - ORGANIC CHEMISTRY