Sigeru Wada

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide...
- Patent number 6,600,070
- Issue date Jul 29, 2003
- Soda Aromatic Co., Ltd.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide...
- Patent number 6,528,668
- Issue date Mar 4, 2003
- Toray Industries, Inc.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for making 2-(ω-alkoxycarbonylalkanoyl)-4-butanolide...
- Patent number 6,475,133
- Issue date Nov 5, 2002
- Soda Aromatic Co., Ltd.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for preparing 2-(omega-alkoxycarbonylalkanoyl)-4- butanol...
- Patent number 6,291,688
- Issue date Sep 18, 2001
- Soda Aromatic Co., Ltd.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Methods for making 2-(omega-alkoxycarbonylalkanoyl) -4-butanolide,...
- Publication number 20020133028
- Publication date Sep 19, 2002
- Soda Aromatic Co., Ltd.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods for making 2-(omega-alkoxycarbonylalkanoyl) -4-butanolide,...
- Publication number 20020068832
- Publication date Jun 6, 2002
- Soda Aromatic Co., Ltd.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods for making 2-(omega-alkoxycarbonylalkanoyl) -4-butanolide,...
- Publication number 20010051734
- Publication date Dec 13, 2001
- Soda Aromatic Co., Ltd.
- Hideaki Takaoka
- C07 - ORGANIC CHEMISTRY