Patent · US Active

Perfluoroether based polymers

US7470745B2 · kind B2 · utility

4Cited by

15References

11Claims

0Family size

Assignee

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

Inventors

Sheng Peng · Hockessin, US
Stephen James Getty · Wilmington, US
Timothy Edward Hopkins · Pieter Appelplein, US
Ying Wang · Wilmington, US

Key dates

Filing date	Nov 13, 2006
Grant date	Dec 30, 2008
Priority date	—
Expiry date	Dec 8, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/198
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A composition which provides surface effects to substrates comprising a polymer containing at least one urea linkage prepared by

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