Takeshi Nakai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
3,4-disubstituted-2-azetidinone derivatives and processes for prepa...
- Patent number 5,075,437
- Issue date Dec 24, 1991
- Fujisawa Pharmaceutical Co., Ltd.
- Takeshi Nakai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of polyfluoroenolates
- Patent number 4,910,348
- Issue date Mar 20, 1990
- Central Glass Company, Limited
- Takeshi Nakai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidinone derivatives and processes for production thereof
- Patent number 4,845,210
- Issue date Jul 4, 1989
- Fujisawa Pharmaceutical Co., Ltd.
- Takeshi Nakai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.alpha.-Fluoroalkyl carboxylic acid esters and process for preparin...
- Patent number 4,582,924
- Issue date Apr 15, 1986
- Daikin Kogyo Co., Ltd.
- Nobuo Ishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylated or alkenylated malonic acid or its derivatives having a f...
- Patent number 4,578,503
- Issue date Mar 25, 1986
- Daikin Kogyo Co., Ltd.
- Nobuo Ishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluoroalkyl silyl ketene acetals and a process for preparing the same
- Patent number 4,482,729
- Issue date Nov 13, 1984
- Daikin Kogyo Co., Ltd.
- Nobuo Ishikawa
- C07 - ORGANIC CHEMISTRY