Toshimasa Toda

Person

Hiro, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Polymer compositions containing piperidine derivatives as stabilizers
- Patent number 4,066,615
- Issue date Jan 3, 1978
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine derivatives
- Patent number 4,016,168
- Issue date Apr 5, 1977
- Sankyo Company Limited
- Keisuke Murayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel piperidine derivatives for the stabilization of synthetic pol...
- Patent number 4,007,158
- Issue date Feb 8, 1977
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine-spiro-hydantoin derivatives
- Patent number 4,005,094
- Issue date Jan 25, 1977
- Sankyo Company Limited
- Keisuku Murayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piperidine-spiro-hydantoin derivatives and their use as stabilizers
- Patent number 3,975,462
- Issue date Aug 17, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine derivatives and their use as stabilizers
- Patent number 3,941,744
- Issue date Mar 2, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidine
- Patent number 3,940,401
- Issue date Feb 24, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY

Toshimasa Toda

Person

Patents Grantslast 30 patents

Polymer compositions containing piperidine derivatives as stabilizers

Piperidine derivatives

Novel piperidine derivatives for the stabilization of synthetic pol...

Piperidine-spiro-hydantoin derivatives

Piperidine-spiro-hydantoin derivatives and their use as stabilizers

Piperidine derivatives and their use as stabilizers

4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidine