Etsuo Takemoto

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Ohnomachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Highly purified 1-aminopropanediol-2,3
- Patent number 5,886,228
- Issue date Mar 23, 1999
- Daicel Chemical Industries, Ltd.
- Hiroshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a dihydroxyamino compound
- Patent number 5,874,624
- Issue date Feb 23, 1999
- Daicel Chemical Industries, Ltd.
- Akira Horiguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Highly purified 1-aminopropanediol-2,3
- Patent number 5,750,792
- Issue date May 12, 1998
- Daicel Chemical Industrial, Ltd.
- Hiroshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the purification of 1-aminopropanediol-2,3
- Patent number 5,556,516
- Issue date Sep 17, 1996
- Daicel Chemical Industries, Ltd.
- Hiroshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of tungsten compounds
- Patent number 4,629,606
- Issue date Dec 16, 1986
- Daicel Chemical Industries, Ltd.
- Yoshiyuki Imagire
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...