Takao Saito

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Nagaokakyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing water-soluble polymer gel particles
- Patent number 4,690,788
- Issue date Sep 1, 1987
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Akira Yada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for preparing water-soluble polymers
- Patent number 4,647,598
- Issue date Mar 3, 1987
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Akira Yada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing water-soluble acrylic polymers by irradiating...
- Patent number 4,612,336
- Issue date Sep 16, 1986
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Akira Yada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing sticky polymers
- Patent number 4,604,411
- Issue date Aug 5, 1986
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Akira Yada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...