Akira Yada

Person

Kusatsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Modified polyvinyl alcohol
- Patent number 5,783,628
- Issue date Jul 21, 1998
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Akira Yada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for continuously preparing acrylic polymer gel
- Patent number 5,004,761
- Issue date Apr 2, 1991
- 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 high molecular weight acrylic polymers
- Patent number 4,762,862
- Issue date Aug 9, 1988
- 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 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-...

Person

Patents Grantslast 30 patents

Modified polyvinyl alcohol

Process for continuously preparing acrylic polymer gel

Process for preparing high molecular weight acrylic polymers

Process for preparing water-soluble polymer gel particles

Process for preparing water-soluble polymers

Process for preparing water-soluble acrylic polymers by irradiating...

Process for preparing sticky polymers