Curable sealant composition and method for manufacturing same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C525S338000, C524S572000

Reexamination Certificate

active

07608664

ABSTRACT:
In one embodiment of the present invention, a curable sealant composition and method for its preparation are provided. The composition includes a polymer which is prepared by functionalizing a poly(conjugated diene) with a curable group such as a tetra-substituted silicon compound and then substantially hydrogenating the functionalized polymer in the presence of a Ziegler type catalyst. The composition can further include additional curable sealant ingredient selected from the group consisting of plasticizers, fillers, reinforcing agents, modifiers, curing catalysts/hardeners, stabilizers, and mixtures thereof.

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