Sugai Chemical Ind. Co., Ltd.

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing pyridine-2,3-dicarboxylic acid compounds
- Patent number 5,252,739
- Issue date Oct 12, 1993
- Sugai Chemical Ind. Co., Ltd.
- Takaharu Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pyridine-2,3-dicarboxylic acid compounds
- Patent number 5,175,300
- Issue date Dec 29, 1992
- Sugai Chemical Ind. Co., Ltd.
- Takaharu Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pyridine-2,3-dicarboxylic acid compounds
- Patent number 4,973,695
- Issue date Nov 27, 1990
- Sugai Chemical Ind. Co., Ltd.
- Takaharu Yamashita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heat sensitive paper
- Patent number 4,870,049
- Issue date Sep 26, 1989
- Sharp Kabushiki Kaisha
- Yoichi Yamamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS