Toshiko Nakamura

Follow

Person

Yokkaichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Highly water-absorptive polymers having enhanced gel strength
- Patent number 5,973,042
- Issue date Oct 26, 1999
- Mitsubishi Chemical Corporation
- Kenji Yoshinaga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the production of highly water absorptive polymers
- Patent number 5,548,047
- Issue date Aug 20, 1996
- Mitsubishi Chemical Corporation
- Kiichi Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing highly water-absortive polymers
- Patent number 5,185,413
- Issue date Feb 9, 1993
- Mitsubishi Petrochemical Company Limited
- Kenji Yoshinaga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Highly water-absorptive powdery polymer composition
- Patent number 5,087,656
- Issue date Feb 11, 1992
- Mitsubishi Petrochemical Company Limited
- Kenji Yoshinaga
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE