Crosslinkable organopolysiloxane compositions

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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C524S588000

Reexamination Certificate

active

07847050

ABSTRACT:
A crosslinkable organopolysiloxane composition comprising (A) a keto-containing organopolysiloxane and (B) a compound having at least two hydrazido and/or semicarbazido groups cures at room temperature into a film having safety and weathering resistance.

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