Inventor

LEE KI-HWA

KR7 patents

⚠️ This page may combine multiple inventors who share the name “LEE KI-HWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG GENERAL CHEMICALS CO

4 patents

US6194607B1Feb 27, 2001

Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic hydrocarbons or partially oxidized intermediates thereof

SAMSUNG GENERAL CHEMICALS CO19 citations91

US5681790AOct 28, 1997

Catalyst for preparing methacrylic acid

SAMSUNG GENERAL CHEMICALS CO21 citations87

US6180822B1Jan 30, 2001

Method of producing aromatic carboxylic acids by oxidizing alkyl aromatic compounds or partially oxidized intermediates thereof with carbon dioxide containing gas

SAMSUNG GENERAL CHEMICALS CO14 citations72

US7012156B2Mar 14, 2006

Preparation method of methacrylic acid

SAMSUNG GENERAL CHEMICALS CO4 citations61

PACIFIC CORP

1 patent

US5916915AJun 29, 1999

Water-in-stable L-ascorbic acid derivative and a method for preparation thereof, and a skin-whitening cosmetic composition containing the same

PACIFIC CORP44 citations87

SAMSUNG TOTAL PETROCHEMICALS

1 patent

US7566676B2Jul 28, 2009

Preparation method of solid titanium catalyst for olefin polymerization

SAMSUNG TOTAL PETROCHEMICALS2 citations61

SANSUNG ATOFINA CO LTD

1 patent

US7151071B2Dec 19, 2006

Method for preparation of a solid titanium catalyst for olefin polymerization

SANSUNG ATOFINA CO LTD3 citations55