E.i. Dupont De Nemours and Company

Andrew Hen Liu

Peter Michael Murphy

Patrick H Fitzgerald

Charles L Strickler

Jack R Kirchner

Ernest Byron Wysong

Timothy Edward Hopkins

Michael Henry Ober

Thomas W Del Pesco

Kai-Volker Schubert

Patrick Henry Fitzgerald

Jack Robert Kirchner

Thomas Wayne Del Pesco

A solvent-based non-aqueous fluorinated methacrylate polymer comprising repeating units in any sequence from (1) at least one fluorinated methacrylate, and (2) at least one non-fluorinated alkyl acrylate and (3) at least one non-fluorinated hydroxyalkyl methacrylate,

Non-aqueous composition comprising partially fluorinated methacrylic polymers

Carpet protectants comprising an aqueous dispersion comprising

Highly repellent carpet protectants

A method of treating leather for imparting soil resistance to the leather by contacting the leather with a fluorinated hydrophobic additive comprising at least one fluorinated urethane or a mixture of at least one fluorinated urethane with at least one fluorinated ester, and the resulting treated leather having soil resistance are disclosed.

Leather treated with fluorochemicals

A polymer having at least one urea linkage derived by contacting (1) at least one polyisocyanate, or mixture of polyisocyanates, (2) at least one fluorocarbon alcohol, fluorocarbon thiol or fluorocarbon amine, (3) at least one straight or branched chain alcohol, amine or thiol, and (4) at least one alcohol containing a sulfonic acid group or its salt, and then (5) optionally at least one linking agent useful for imparting oil repellency and water repellency to substrates.

Fluorochemical water and oil repellents

Growing community of inventors

Newark, DE, United States of America

Andrew Hen Liu