Patent · US Expired

Solutions of fluoropolymers, and their use

US4808651A · kind A · utility

22Cited by

1References

25Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Peter Blickle · Hofheim, DE
Klaus Hintzer · Woodbury, US
Gernot Lohr · Altötting, DE
Werner Schwertfeger · Altötting, DE

Key dates

Filing date	Sep 15, 1987
Grant date	Feb 28, 1989
Priority date	—
Expiry date	Sep 15, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2327/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to solutions of fluoropolymers which preferably contain carbonate groups, in solvents of the general formula (I) ##STR1## These solutions are suitable, in particular, for the production of membranes for liquid permeation processes, such as electrolysis.

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