Glass fiber sizing compositions, sized glass fibers, and...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

Reexamination Certificate

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C428S375000, C428S378000, C428S392000, C252S008830, C252S008810, C106S287150, C524S492000, C524S494000

Reexamination Certificate



A sizing composition for glass fibers comprises at least one film-former, at least one silane comprising an alkenyl group comprising a straight chain segment of at least five carbon atoms, wherein at least one carbon-carbon double bond is terminal and wherein the carbon atoms on the terminal double bond are unsubstituted, and at least one lubricant. The sizing composition can be used to coat glass fibers for use as reinforcement for cycloolefins that cure by the ring-opening metathesis polymerization (“ROMP”) reaction.

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