Patent · US Expired

Mixtures of thermoplastic fluoropolymers

US6713141B2 · kind B2 · utility

1Cited by

6References

4Claims

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	Jul 17, 2001
Grant date	Mar 30, 2004
Priority date	—
Expiry date	Jul 17, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/139
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.