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US 6,177,196 B1Granted
Phosphorus-containing fluoromonomers and polymers thereof
AssigneeE. I. Du Pont de Nemours and Company
InventorsPaul Douglas Brothers, Ming-Hong Hung, Michael Joseph Michalczyk, Tatsuhiro Takahashi
Life of this patent
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Abstract
Fluorinated vinyl ethers having phosphorus-containing groups are useful as monomers in making fluoropolymers having functional sites.
Claims7
A coated article comprising a substrate coated with a coating, wherein said coating comprises a fluoropolymer comprising units derived from the compound having the formula
- CF2═CF—Rf—(CH2)n—OP(O)p—Φ2
- wherein n is 1-3, p is 0 or 1, Rf is perfluoroalkyl or perfluoroalkoxy having 1-20 carbon atoms, Φ is bromine, chlorine, or OM, and M is H, NH4 or alkali metal.
Dependencies are inferred from the claim text.