Patent · US Active

Fluoropolymer compositions and treated substrates

US7968669B2 · kind B2 · utility

0Cited by

4References

13Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Weiming Qiu · Wilmington, US
Yun Yang · Newark, US
Michael Henry Ober · Newark, US
Anilkumar Raghavanpillai · Wilmington, US

Key dates

Filing date	May 16, 2008
Grant date	Jun 28, 2011
Priority date	—
Expiry date	Jul 17, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31573
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polymer having at least one carbamate linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, and (b) at least one fluorinated compound selected from the formula (I):Rf(CH2)x[(CF2CF2)y(CH2CH2)z]m(R1)r-xH (I)

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.