Keisuke Murayama

Person

Hiro, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Ester of chrysanthemic acid, process for the preparation thereof an...
- Patent number 4,076,835
- Issue date Feb 28, 1978
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
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
Stabilization of synthetic polymers
- Patent number 4,061,616
- Issue date Dec 6, 1977
- 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
Stabilization of synthetic polymers
- Patent number 3,984,371
- Issue date Oct 5, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized synthetic polymer compositions
- Patent number 3,975,357
- Issue date Aug 17, 1976
- Sankyo Company Limited
- Keisuke 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
Process for preparing triacetonamine
- Patent number 3,963,730
- Issue date Jun 15, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing triacetonamine
- Patent number 3,959,298
- Issue date May 25, 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
Piperidine derivatives and their use as stabilizers
- Patent number 3,940,363
- Issue date Feb 24, 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
Information Patent Grant
4-Piperidone derivatives, their preparation and their use as stabil...
- Patent number 3,933,735
- Issue date Jan 20, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Keisuke Murayama

Person

Patents Grantslast 30 patents

Ester of chrysanthemic acid, process for the preparation thereof an...

Polymer compositions containing piperidine derivatives as stabilizers

Stabilization of synthetic polymers

Piperidine derivatives

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

Stabilization of synthetic polymers

Stabilized synthetic polymer compositions

Piperidine-spiro-hydantoin derivatives and their use as stabilizers

Process for preparing triacetonamine

Process for preparing triacetonamine

Piperidine derivatives and their use as stabilizers

Piperidine derivatives and their use as stabilizers

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

4-Piperidone derivatives, their preparation and their use as stabil...