Fluorochemical urethane composition for treatment of fibrous...

Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – With coating – sizing – or lubricating

Reexamination Certificate

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C008S115640, C008S115670, C427S387000, C427S393400, C428S375000, C428S378000, C428S391000, C428S423100, C428S425100, C524S588000, C524S591000, C528S027000, C528S028000, C528S030000, C528S038000, C528S043000, C528S045000, C528S049000, C528S069000, C528S070000, C528S076000

Reexamination Certificate

active

06890360

ABSTRACT:
Fluorochemical urethane compositions comprising one or more fluorochemical urethane compounds, and one or more auxiliary compounds for treatment of a fibrous substrate are described. The fluorochemical compositions are capable of improving one or more of the oil- and/or water repellency, stain- and/or soil repellency and stain and/or soil release properties, with improved durability, of the fibrous substrate treated with the fluorochemical composition.

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