Patent · US Expired

Mixtures of thermoplastic fluoropolymers

US6696526B1 · kind B1 · utility

19Cited by

6References

13Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Ralph Kaulbach · Emmerting, DE
Friedrich Kloos · Mainz, DE
Gernot Lohr · Altötting, DE
Peter Stamprech · Salzburg, AT

Key dates

Filing date	Apr 10, 1998
Grant date	Feb 24, 2004
Priority date	—
Expiry date	Jun 27, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/02
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A low-molecular-weight copolymer of tetrafluoroethylene with units of perfluoro alkyl vinyl ethers having a melt index of &gE;30 suitable as a mixing component with a higher-molecular-weight copolymer of the same monomers for producing moldings in injection molding or by extrusion.

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