Shunichi Koyanagi

Person

Naoetsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for production of vinyl polymer
- Patent number 4,758,639
- Issue date Jul 19, 1988
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for production of vinyl chloride polymer
- Patent number 4,757,124
- Issue date Jul 12, 1988
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preventing polymer scale deposition in polymerization of...
- Patent number 4,528,336
- Issue date Jul 9, 1985
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the preparation of vinyl chloride polymers
- Patent number 4,232,141
- Issue date Nov 4, 1980
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizing vinyl chloride with lowering of scale formation
- Patent number 4,180,634
- Issue date Dec 25, 1979
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the polymerization of vinyl monomers
- Patent number 4,173,696
- Issue date Nov 6, 1979
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for suspension-polymerizing vinyl chloride
- Patent number 4,136,242
- Issue date Jan 23, 1979
- Shinetsu Chemical Company
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for polymerizing ethylenically unsaturated monomers in order...
- Patent number 4,105,839
- Issue date Aug 8, 1978
- Shin-Etsu Chemical Co., Ltd.
- Shunichi Koyanagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Shunichi Koyanagi

Person

Patents Grantslast 30 patents

Process for production of vinyl polymer

Process for production of vinyl chloride polymer

Method for preventing polymer scale deposition in polymerization of...

Method for the preparation of vinyl chloride polymers

Polymerizing vinyl chloride with lowering of scale formation

Method for the polymerization of vinyl monomers

Method for suspension-polymerizing vinyl chloride

Method for polymerizing ethylenically unsaturated monomers in order...