Inventor
JANG DONG GYU
KR8 patents
⚠️ This page may combine multiple inventors who share the name “JANG DONG GYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOC SOLUTION CO LTD
4 patentsUS9522879B2Dec 20, 2016
Method for preparing polythiol compound and polymeric composition for optical material comprising same
KOC SOLUTION CO LTD2 citations57
US9372281B2Jun 21, 2016
Method for preparing thioepoxy-based optical material and polymerizable composition thereof
KOC SOLUTION CO LTD2 citations57
US9658364B2May 23, 2017
Method for storing episulfide compound and method for preparing thioepoxy-based optical material using said episulfide compound
KOC SOLUTION CO LTD0 citations41
US10399935B2Sep 3, 2019
Method for producing 3-mercaptopropionic acid, and methods using same for producing carboxylic acid ester compound having mercapto group and thiourethane-based optical material
KOC SOLUTION CO LTD0 citations36
JANG DONG GYU
3 patentsUS8097190B2Jan 17, 2012
Optical resin composition having excellent impact resistance and method for fabricating optical lens using the same
JANG DONG GYU8 citations80
US9052436B2Jun 9, 2015
Method for manufacturing resin for urethane-based optical material, resin composition for same, and optical material manufactured thereby
JANG DONG GYU12 citations79
US10067266B2Sep 4, 2018
Method of producing resin for thiourethane-based optical material using general-purpose polyisocyanate compound, resin composition for thiourethane-based optical material and thiourethane-based optical material including resin produced by the method
JANG DONG GYU1 citations47