Inventor

CHEN CHI HE

TW3 patents

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

CHINA PETROCHEMICAL DEV CORP

2 patents

US7553991B1Jun 30, 2009

Process for producing carboxylic acid anhydrides

CHINA PETROCHEMICAL DEV CORP3 citations57

US7671233B2Mar 2, 2010

Process for preparing carboxylic acid

CHINA PETROCHEMICAL DEV CORP0 citations36

TU CHING LIANG

1 patent

US8097756B2Jan 17, 2012

Process for producing carboxylic acid anhydrides

TU CHING LIANG0 citations31