Membership
Tour
Register
Log in
Masayuki Sakai
Follow
Person
Ohtake, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing polyester
Patent number
5,573,820
Issue date
Nov 12, 1996
Mitsui Petrochemical Industries, Ltd.
Hirofumi Harazoe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for treatment of polyethylene terephthalate, polyethylene t...
Patent number
5,270,444
Issue date
Dec 14, 1993
Mitsui Petrochemical Industries, Ltd.
Shigemi Shiraki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for treatment of polyethylene terephthalate, polyethylene t...
Patent number
5,241,046
Issue date
Aug 31, 1993
Mitsui Petrochemical Industries, Ltd.
Shigemi Shiraki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for treatment of polyethylene terephthalate, polyethylene t...
Patent number
5,219,984
Issue date
Jun 15, 1993
Mitsui Petrochemical Industries, Ltd.
Shigemi Shiraki
Information
Patent Grant
Linear ethylene copolymer
Patent number
4,668,752
Issue date
May 26, 1987
Mitsui Petrochemical Industries, Ltd.
Kenichi Tominari
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...