Perfluoroelastomers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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C526S206000, C526S242000, C525S326300, C525S366000

Reexamination Certificate

active

07488787

ABSTRACT:
Perfluoroelastomers curable by peroxidic way having glass transition temperature lower than −10° C. and an amount of —COF end groups in the polymer lower than the sensitivity limit of the method using the IR spectroscopy in Fourier transform described in the present application.

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