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US 4,565,855 AGranted
Polymers of dioxolanes
AssigneeE. I. Du Pont de Nemours and Company
InventorsBurton C. Anderson, David C. England, Paul R. Resnick
Life of this patent
Estimating the term…
Abstract
Perhalogenated dioxoles, halogenated dioxolanes, a process for making the dioxoles and dioxolanes, and polymers of dioxole and dioxolane monomers.
Claims6
A polymer of a dioxolane of the formula:
- ##STR26## wherein X.sub.2, X.sub.3, X.sub.4 and X.sub.5, independently, are Cl or F, provided that at least two are F.
A copolymer of a dioxolane of the formula:
- ##STR27## wherein:
- X.sub.2, X.sub.3, X.sub.4 and X.sub.5, independently, are Cl or F, provided that at least two are F;
- and tetrafluoroethylene.
Dependencies are inferred from the claim text.