Hitoshi Tanaka

Person

Himeji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for production of water-absorbent resin
- Patent number 5,180,798
- Issue date Jan 19, 1993
- Sumitomo Seika Chemicals Co., Ltd.
- Morio Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Water-absorbent resin composition
- Patent number 4,972,019
- Issue date Nov 20, 1990
- Seitetsu Kagaku Co., Ltd.
- Shigeji Obayashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for producing a water-absorbent resin
- Patent number 4,880,888
- Issue date Nov 14, 1989
- Seitetsu Kagaku Co., Ltd.
- Shigeji Obayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-absorbent resin composition
- Patent number 4,863,989
- Issue date Sep 5, 1989
- Seitetsu Kagaku Co., Ltd.
- Shigeji Obayashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for granulating a water-absorbent resin employing (a) water...
- Patent number 4,732,968
- Issue date Mar 22, 1988
- Seitetsu Kagaku Co., Ltd.
- Shigeji Obayashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for producing a water-absorbent resin
- Patent number 4,683,274
- Issue date Jul 28, 1987
- Seitetsu Kagaku Co., Ltd.
- Morio Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Water-swellable elastomer composition
- Patent number 4,590,227
- Issue date May 20, 1986
- Seitetsu Kagaku Co., Ltd.
- Morio Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Hitoshi Tanaka

Person

Patents Grantslast 30 patents

Process for production of water-absorbent resin

Water-absorbent resin composition

Process for producing a water-absorbent resin

Water-absorbent resin composition

Process for granulating a water-absorbent resin employing (a) water...

Process for producing a water-absorbent resin

Water-swellable elastomer composition