Hideyuki Ishii

Follow

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing polyether polyol copolymer
- Patent number 6,780,964
- Issue date Aug 24, 2004
- Hodogaya Chemical Co., Ltd.
- Hiroshi Satoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyether, and process for recycling and reus...
- Patent number 5,756,604
- Issue date May 26, 1998
- Hodogaya Chemical Co., Ltd.
- Hiroshi Nakaoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane from a copolyether of tetrahydrofuran and 3-alkyl tetr...
- Patent number 4,960,849
- Issue date Oct 2, 1990
- Hodogaya Chemical Co., Ltd.
- Kazuaki Okabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Method for preparing polyether polyol copolymer
- Publication number 20030069390
- Publication date Apr 10, 2003
- Hodogaya Chemical Co., Ltd.
- Hiroshi Satoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...