Inventor
CHOI JANG HYUN
US7 patents
⚠️ This page may combine multiple inventors who share the name “CHOI JANG HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA KUMHO PETROCHEM CO LTD
3 patentsUS8039533B2Oct 18, 2011
Synthetic styrene resin composition for environment-friendly window frame
KOREA KUMHO PETROCHEM CO LTD0 citations46
US7838579B2Nov 23, 2010
Synthetic styrene resin composition for environment-friendly window frame
KOREA KUMHO PETROCHEM CO LTD0 citations46
US7960496B2Jun 14, 2011
Method for preparing polymer polyol stabilizer using maleic anhydride, and polymer polyol stabilizer prepared thereby
KOREA KUMHO PETROCHEM CO LTD0 citations42