Inventor

CHENG HUAI NAN

US5 patents

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

HERCULES INC

4 patents

US6554961B1Apr 29, 2003

Reduced byproduct polyamine-epihalohydrin resins

HERCULES INC57 citations92

US7175740B2Feb 13, 2007

Reduced by product polyamine-epihalohydrin resins

HERCULES INC30 citations89

US6667384B2Dec 23, 2003

Methyl acrylate-diamine based polyamide resins and processes for producing the same

HERCULES INC9 citations72

US6159721ADec 12, 2000

Amine modified polysaccharides

HERCULES INC10 citations71

BISWAS ATANU

1 patent

US8841470B1Sep 23, 2014

Process for preparation of nitrogen-containing vegetable oil-based lubricant additive

BISWAS ATANU11 citations76