Inventor

KOO DONG WAN

KR9 patents

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

DONGBU HANNONG CHEMICAL CO LTD

3 patents

US6486098B1Nov 26, 2002

Herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds

DONGBU HANNONG CHEMICAL CO LTD3 citations60

US6489268B1Dec 3, 2002

Highly selective herbicidal phenoxypropionic acid alkoxycarbonyl anilid compounds and method of preparing the same

DONGBU HANNONG CHEMICAL CO LTD0 citations50

US6600048B2Jul 29, 2003

Herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds

DONGBU HANNONG CHEMICAL CO LTD1 citations49

KO YOUNG KWAN

2 patents

US8193198B2Jun 5, 2012

Uracil compounds and a herbicide comprising the same

KO YOUNG KWAN5 citations54

US9439432B2Sep 13, 2016

Phenylisoxazoline-based compound having herbicidal activity and use thereof

KO YOUNG KWAN0 citations42

KOREAN RES INST OF CHEMICAL TE

1 patent

US6222060B1Apr 24, 2001

Process for preparing o-(carboalkoxy)phenylmethanesulfonyl chloride derivatives

KOREAN RES INST OF CHEMICAL TE3 citations59

KOREA RES INST CHEM TECH

1 patent

US6706917B1Mar 16, 2004

Preparing method of 2-phenylalkanoic acid derivatives

KOREA RES INST CHEM TECH0 citations50

KOREA RES INST CHEMICAL TECH

1 patent

US12495798B2Dec 16, 2025

Nicotinamide compound and herbicidal composition comprising compound

KOREA RES INST CHEMICAL TECH0 citations46

MOGHU RES CT LTD

1 patent

US9303022B2Apr 5, 2016

Industrial method for the preparation of high-purity methiozolin

MOGHU RES CT LTD0 citations43