Inventor

ROH KEE YOON

KR14 patents

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

KOREA KUMHO PETROCHEMICAL CO LTD

11 patents

US9464037B2Oct 11, 2016

Styrenated phenol compound and method of preparing the same

KOREA KUMHO PETROCHEMICAL CO LTD4 citations71

US12540114B2Feb 3, 2026

System of preparing a phthalonitrile-based compound and method of preparing phthalonitrile-based compound using the same

KOREA KUMHO PETROCHEMICAL CO LTD0 citations59

US12415778B2Sep 16, 2025

Heavy-duty epoxy coating composition including styrenated phenol and method of preparing the same

KOREA KUMHO PETROCHEMICAL CO LTD0 citations50

US9771310B2Sep 26, 2017

Styrenated phenol useful as curing agent or plasticizing agent for epoxy resin

KOREA KUMHO PETROCHEMICAL CO LTD0 citations50

US9469587B2Oct 18, 2016

Styrenated phenol compound and a method of preparing the same

KOREA KUMHO PETROCHEMICAL CO LTD0 citations50

US12486223B2Dec 2, 2025

Method of preparing a thiomethylphenol derivative

KOREA KUMHO PETROCHEMICAL CO LTD0 citations44

LG LIFE SCIENCES LTD

3 patents

US7723319B2May 25, 2010

Acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same

LG LIFE SCIENCES LTD11 citations81

US7157448B2Jan 2, 2007

Acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same

LG LIFE SCIENCES LTD9 citations71

US7605147B2Oct 20, 2009

Acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same

LG LIFE SCIENCES LTD0 citations49

ROH KEE YOON

KOREA KUMHO PETROCHEMICAL CO LTD

Styrenated phenol compound and method of preparing the same

System of preparing a phthalonitrile-based compound and method of preparing phthalonitrile-based compound using the same

Method for preparing phthalonitrile-based compound

Method for preparing hydrogenated bisphenol A

Epoxy reactive diluent and manufacturing method therefor

Epoxy reactive diluent and manufacturing method therefor

Additive composition and method of preparing the same

Heavy-duty epoxy coating composition including styrenated phenol and method of preparing the same

Styrenated phenol useful as curing agent or plasticizing agent for epoxy resin

Styrenated phenol compound and a method of preparing the same

Method of preparing a thiomethylphenol derivative

LG LIFE SCIENCES LTD

Acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same

Acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same

Acyclic nucleoside phosphonate derivatives, salts thereof and process for the preparation of the same