Hiroyuki Shiraishi

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ethylene-α-olefin copolymer and polyethylene composition
- Patent number 6,667,375
- Issue date Dec 23, 2003
- Sumitomo Chemical Company, Limited
- Tadahiro Mitsuno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymer, films or sheets made therefrom, and process for the...
- Patent number 6,184,319
- Issue date Feb 6, 2001
- Sumitomo Chemical Company, Limited
- Hideki Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing catalyst component for olefin polymerization,...
- Patent number 5,854,164
- Issue date Dec 29, 1998
- Sumitomo Chemical Company, Limited
- Hiroyuki Shiraishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-.alpha.-olefin copolymer and molded article thereof
- Patent number 5,700,895
- Issue date Dec 23, 1997
- Sumitomo Chemical Company, Limited
- Yuji Kanda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene-.alpha.-olefin copolymer and a molded article therefor
- Patent number 5,602,223
- Issue date Feb 11, 1997
- Sumitomo Chemical Company, Limited
- Toshio Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for polymerizing ethylene at high temperature under high pr...
- Patent number 5,508,364
- Issue date Apr 16, 1996
- Sumitomo Chemical Company, Limited
- Toshio Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing olefin polymers
- Patent number 5,463,000
- Issue date Oct 31, 1995
- Sumitomo Chemical Company, Limited
- Yoshihiro Miyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid catalyst component, catalyst system containing the same, and...
- Patent number 5,378,778
- Issue date Jan 3, 1995
- Sumitomo Chemical Company, Limited
- Hirofumi Johoji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing ethylene-.alpha.-olefin copolymers
- Patent number 5,258,476
- Issue date Nov 2, 1993
- Sumitomo Chemical Company, Limited
- Toshio Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymerization catalyst and process for producing ethylene c...
- Patent number 5,166,280
- Issue date Nov 24, 1992
- Sumitomo Chemical Company, Limited
- Yoshihiro Miyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymerization catalyst and process for producing ethylene c...
- Patent number 5,077,250
- Issue date Dec 31, 1991
- Sumitomo Chemical Company, Limited
- Yoshihiro Miyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hiroyuki Shiraishi

Person

Patents Grantslast 30 patents

Ethylene-&#x03B1;-olefin copolymer and polyethylene composition

Olefin polymer, films or sheets made therefrom, and process for the...

Method for preparing catalyst component for olefin polymerization,...

Ethylene-.alpha.-olefin copolymer and molded article thereof

Ethylene-.alpha.-olefin copolymer and a molded article therefor

Process for polymerizing ethylene at high temperature under high pr...

Process for producing olefin polymers

Liquid catalyst component, catalyst system containing the same, and...

Process for producing ethylene-.alpha.-olefin copolymers

Olefin polymerization catalyst and process for producing ethylene c...

Olefin polymerization catalyst and process for producing ethylene c...

Ethylene-α-olefin copolymer and polyethylene composition