Inventor

LI CHIEN-HSIEN

TW4 patents

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

CHINA PETROCHEMICAL DEV CORP

2 patents

US7700767B2Apr 20, 2010

System and process for purifying an aqueous solution of crude caprolactam

CHINA PETROCHEMICAL DEV CORP0 citations32

US9486760B2Nov 8, 2016

Fluid mixing device

CHINA PETROCHEMICAL DEV CORP0 citations30

CHINA PETROCHEMICAL DEV CORPORATION

1 patent

US10023515B2Jul 17, 2018

Method for preparing cyclohexanone by hydrogenating phenol

CHINA PETROCHEMICAL DEV CORPORATION0 citations41

LI CHIEN-HSIEN

1 patent

US8193348B2Jun 5, 2012

System and method for recovering caprolactam from rearrangement mixtures

LI CHIEN-HSIEN0 citations24