Patent · US Active

Polyimide membranes made of polymerization solutions

US10118136B2 · kind B2 · utility

3Cited by

26References

14Claims

0Family size

Assignee

EVONIK FIBRES GMBH · AT

Inventors

Markus Ungerank · Ansfelden, AT
Goetz Baumgarten · Neubiberg, DE

Key dates

Filing date	Jul 6, 2016
Grant date	Nov 6, 2018
Priority date	—
Expiry date	Jul 6, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02C20/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to polyimide membranes and to a phase inversion method for the production thereof. The polyimide membranes can be used to separate different gas mixtures.

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