Nobuo Soma

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polyalkylpiperdine side chain stabilizers for synthetic polymer com...
- Patent number 4,413,076
- Issue date Nov 1, 1983
- Sankyo Company Ltd.
- Nobuo Soma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piperidine derivatives and their use as polymer stabilizers
- Patent number 4,371,644
- Issue date Feb 1, 1983
- Sankyo Company Ltd.
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymers containing polyalkylpiperidines and use thereof as stabili...
- Patent number 4,265,803
- Issue date May 5, 1981
- Sankyo Company Limited
- Nobuo Soma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
2,2,6,6-Tetramethylpiperidine derivatives
- Patent number 4,237,294
- Issue date Dec 2, 1980
- Sankyo Company, Limited
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine-spiro-hydantoin derivatives and their use as polymer sta...
- Patent number 4,219,465
- Issue date Aug 26, 1980
- Sankyo Company Limited
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of 4-aminopiperidine as stabilizers for polymers
- Patent number 4,191,683
- Issue date Mar 4, 1980
- Ciba-Geigy Corporation
- Heimo Brunetti
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyalkylated 4-aminopiperidine derivatives
- Patent number 4,166,813
- Issue date Sep 4, 1979
- Sankyo Company Ltd.
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydantoin derivatives and their use as polymer stabilizers
- Patent number 4,162,246
- Issue date Jul 24, 1979
- Sankyo Company Limited
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization of synthetic polymers by penta-or-hexa-substituted 4-...
- Patent number 4,141,883
- Issue date Feb 27, 1979
- Sankyo Company, Limited
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization of poly(mono-olefins)
- Patent number 4,131,599
- Issue date Dec 26, 1978
- Sankyo Company, Limited
- Heimo Brunetti
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthetic polymer stabilizers
- Patent number 4,118,368
- Issue date Oct 3, 1978
- Sankyo Company Limited
- Nobuo Soma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of 4-oxopiperidines and their use as polymer stabilizers
- Patent number 4,105,626
- Issue date Aug 8, 1978
- Ciba-Geigy Corporation
- Heimo Brunetti
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Polyalkylpiperdine side chain stabilizers for synthetic polymer com...

Piperidine derivatives and their use as polymer stabilizers

Polymers containing polyalkylpiperidines and use thereof as stabili...

2,2,6,6-Tetramethylpiperidine derivatives

Piperidine-spiro-hydantoin derivatives and their use as polymer sta...

Derivatives of 4-aminopiperidine as stabilizers for polymers

Polyalkylated 4-aminopiperidine derivatives

Hydantoin derivatives and their use as polymer stabilizers

Stabilization of synthetic polymers by penta-or-hexa-substituted 4-...

Stabilization of poly(mono-olefins)

Synthetic polymer stabilizers

Derivatives of 4-oxopiperidines and their use as polymer stabilizers