Kaoru Takeuchi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Bis (1,1,3,3-tetramethylbutyl) phosphinic acid compound, a producti...
- Patent number 5,925,784
- Issue date Jul 20, 1999
- Nippon Chemical Industrial Co., Ltd.
- Masashi Sugiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis(1,1,3,3-tetramethylbutyl) phosphinic acid compound, a productio...
- Patent number 5,872,279
- Issue date Feb 16, 1999
- Nippon Chemical Industrial Co., Ltd.
- Masashi Sugiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and...
- Patent number 5,679,849
- Issue date Oct 21, 1997
- Nippon Chemical Industrial Co., Ltd.
- Masashi Sugiya
- C07 - ORGANIC CHEMISTRY