Fluorosilicones and fluorine- and silicon-containing surface...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

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Details

C428S447000, C442S327000, C522S152000, C528S026000

Reexamination Certificate

active

07973107

ABSTRACT:
A fluorosilicone reaction product of a mercapto functional organopolysiloxane and a fluorine-containing monomer, and methods of preparing the fluorosilicone are disclosed. The fluorosilicone products are suitable for application to substrates such as textiles, particularly fabrics, to impart oil repellent properties to the textile. The fluorosilicone reaction product is prepared from (A) a fluorine-containing monomer of the formula CH2═C(X)COOYRf, and (B) a mercapto functional organopolysiloxane.

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