Inventor
LIANG YUANFENG
US11 patents
⚠️ This page may combine multiple inventors who share the name “LIANG YUANFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
9 patentsUS6737481B1May 18, 2004
Ester-modified dicarboxylate polymers
DU PONT72 citations97
US6255442B1Jul 3, 2001
Esterification process
DU PONT44 citations96
US6281325B1Aug 28, 2001
Preparation of poly(trimethylene terephthalate)
DU PONT48 citations95
US10059779B2Aug 28, 2018
Enzymatically polymerized gelling dextrans
DU PONT15 citations92
US6335421B1Jan 1, 2002
Preparation of poly(trimethylene terephthalate) with low level of di(1,3-propylene glycol)
DU PONT41 citations92
US5840957ANov 24, 1998
Transesterification process using lanthanum compound catalyst
DU PONT36 citations92
US7888405B2Feb 15, 2011
Aliphatic-aromatic polyesters, and articles made therefrom
DU PONT19 citations88
US7855244B2Dec 21, 2010
Flame retardant polytrimethylene terephthalate composition
DU PONT3 citations57
US6426398B2Jul 30, 2002
Poly (trimethylene terephthalate) polymer composition
DU PONT1 citations52