Hiroki Yamamoto

Person

Nishinomiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)alka...
- Patent number 5,322,947
- Issue date Jun 21, 1994
- Sumitomo Chemical Company, Limited
- Shinya Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for granulating 2,2,6,6-tetramethylpiperidine-containing li...
- Patent number 5,290,495
- Issue date Mar 1, 1994
- Sumitomo Chemical Company, Limited
- Norimitsu Numadate
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized polyolefin composition
- Patent number 4,985,479
- Issue date Jan 15, 1991
- Sumitomo Chemical Company, Ltd.
- Hideo Nagasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel ammonium salt useful as modifiers for rubber
- Patent number 4,885,322
- Issue date Dec 5, 1989
- Sumitomo Chemical Company, Limited
- Isao Kurimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized styrene polymer
- Patent number 4,812,494
- Issue date Mar 14, 1989
- Sumitomo Chemical Company, Limited
- Hideo Nagasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilizer for synthetic resins
- Patent number 4,725,634
- Issue date Feb 16, 1988
- Sumitomo Chemical Company, Ltd.
- Tamaki Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piperidine derivatives, production process therefor, and stabilizer...
- Patent number 4,719,037
- Issue date Jan 12, 1988
- Sumitomo Chemical Company, Limited
- Yukoh Takahashi
- C07 - ORGANIC CHEMISTRY

Hiroki Yamamoto

Person

Patents Grantslast 30 patents

Process for producing N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)alka...

Process for granulating 2,2,6,6-tetramethylpiperidine-containing li...

Stabilized polyolefin composition

Novel ammonium salt useful as modifiers for rubber

Stabilized styrene polymer

Stabilizer for synthetic resins

Piperidine derivatives, production process therefor, and stabilizer...