Patent · US Expired

Process for making a fluoropolymer having nitrile end groups

US6825300B2 · kind B2 · utility

7Cited by

10References

11Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Werner M. A. Grootaert · Windom, US
Klaus Hintzer · Woodbury, US
Kai H. Lochhaas · Neuötting, DE
Gernot Lohr · Altötting, DE
Franz März · Altötting, DE

Key dates

Filing date	Nov 14, 2003
Grant date	Nov 30, 2004
Priority date	—
Expiry date	Nov 14, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F214/18
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention discloses a process for making a fluoropolymer having nitrile endgroups. The process comprises a free radical polymerization of one or more fluorinated monomers in the presence of a nitrile group containing salt or a nitrile group containing pseudohalogen compound.

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