Membership
Tour
Register
Log in
Yun-chul Oh
Follow
Person
Kyungki-do, KR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Aqueous compositions for making ultrapure water used in microelectr...
Patent number
5,972,293
Issue date
Oct 26, 1999
SamSung Electronics Co., Ltd.
Seung-uhn Kim
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE