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US 3,965,074 AGranted
Homopolymers of polyfluorinated vinyl isocyanates
AssigneeE. I. Du Pont de Nemours and Company
InventorWilliam J. Middleton
Life of this patent
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Abstract
Disclosed herein are polyhalogenated isocyanates (intermediates for polyfluorinated vinyl isocyanates); polyfluorinated vinyl isocyanates, process therefor, and homopolymers and copolymers thereof; and use of said polyfluorinated vinyl isocyanate homopolymers and copolymers as water and oil repelling agents for cloth and paper.
Claims3
A homopolymer of a vinyl isocyanate of the formula ##EQU12## wherein:
- R is fluorine, lower perfluoroalkyl, lower .omega.-chloroperfluoroalkyl or lower .omega.-hydroperfluoroalkyl.
Dependencies are inferred from the claim text.