US 5,866,711 AGranted

Fluorocyanate and fluorocarbamate monomers and polymers thereof

AssigneeE. I. Du Pont de Nemours and Company

InventorsMing-Hong Hung, Paul Douglas Brothers, Dewey Lynn Kerbow

Life of this patent

Estimating the term…

Fluorinated vinyl ethers having cyanate or carbamate groups are useful as monomers in making fluoropolymers having functional sites.

Dependent claims

A compound having the formula

CF.sub.2 .dbd.CF--R.sub.f --(CH.sub.2).sub.n --X
wherein --X is --OCN or --O--(CO)--NH.sub.2, n is 1-3, and R.sub.f is perfluoroalkyl or perfluoroalkoxy having 1-20 carbon atoms.

Dependencies are inferred from the claim text.

C07C 265/04
Having isocyanate groups bound to acyclic carbon atoms: of a saturated carbon skeleton
C07C 261/02
Derivatives of cyanic acid: cyanates
C07C 271/12
With the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms: to hydrogen atoms or to carbon atoms of…
C08F 14/18
Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond,…

No related US applications are recorded in the indexed filing history.

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