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Inventor

LIU ANDREW HEN

US4 patents
⚠️ This page may combine multiple inventors who share the name “LIU ANDREW HEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT

3 patents
US6790905B2Sep 14, 2004

Highly repellent carpet protectants

DU PONT43 citations89
US7592064B2Sep 22, 2009

Highly repellent carpet protectants

DU PONT2 citations59
US7160480B2Jan 9, 2007

Leather treated with fluorochemicals

DU PONT1 citations47

OBER MICHAEL HENRY

1 patent
US8975348B2Mar 10, 2015

Non-aqueous composition comprising partially fluorinated methacrylic polymers

OBER MICHAEL HENRY2 citations57