Patent · US Expired

Aqueous dispersions of fluoropolymers

US6696512B2 · kind B2 · utility

4Cited by
20References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 2002
Grant dateFeb 24, 2004
Priority date
Expiry dateJan 17, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/3154
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Aqueous dispersions of fluoropolymers containing as stabilizer from 1 to 30% by weight with respect to the fluoropolymer, of a non ionic surfactant having the following structure:CH3(CH2)nO(C3H6O)p(CH2CH2O)mH   (I) wherein:n is in the range 8-20, preferably 12-15;m is in the range 5-20, preferably 7-12;p is in the range 1-8, preferably it is 1 or 2.

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