Patent · US Active

Method of preparing membranes

US11247179B2 · kind B2 · utility

0Cited by

2References

17Claims

0Family size

Assignee

APPLIED BIOMIMETIC A/S · DK

Inventors

Mariusz Piotr Grzelakowski · Cincinnati, US
Yan Zhang · Cincinnati, US

Key dates

Filing date	Nov 21, 2016
Grant date	Feb 15, 2022
Priority date	—
Expiry date	Oct 15, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2471/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method of preparing a membrane comprising the steps of: a) mixing together a membrane-forming polymer, a water-soluble polyetheramine, and a solvent, said mixture containing no component which will react chemically with the polyetheramine; and b) casting said mixture to form the polymer into a solid membrane.

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