Membership
Tour
Register
Log in
Hiroyuki Umida
Follow
Person
Ibaraki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Process for producing ε-caprolactam
Patent number
6,433,166
Issue date
Aug 13, 2002
Sumitomo Chemical Company, Limited
Yasumoto Shimazu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing phenol and methyl ethyl ketone
Patent number
5,298,667
Issue date
Mar 29, 1994
Sumitomo Chemical Company, Limited
Kiyoshi Iwanaga
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process for producing epsilon-caprolactam
Publication number
20020010329
Publication date
Jan 24, 2002
Yasumoto Shimazu
C07 - ORGANIC CHEMISTRY