Siloxane resin coating

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

Reexamination Certificate

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Details

C528S039000, C528S021000, C528S012000, C528S023000, C528S043000, C524S360000, C524S317000, C524S376000

Reexamination Certificate

active

07838615

ABSTRACT:
A siloxane resin having the formula: (HSiO3/2)a(RSiO3/2)b(SiO4/2)cwhere R is Z, Z(CH2)nor ZO(CH2)nwhere Z is a phenyl or substituted phenyl group; n has a value of 1 to 6, a has value of 0.01 to 0.7, b has a value of 0.05 to 0.7, c has a value of 0.1 to 0.9 and a+b+c≈1. The siloxane resins are useful in anti-reflective coating compositions.

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