Patent · US Active

Membranes for liquid treatment

US11884764B2 · kind B2 · utility

0Cited by

2References

12Claims

0Family size

Assignee

LEIBNIZ-INSTITUT FUER POLYMERFORSCHUNG DRESDEN E.V. · DE

Inventors

Jochen Meier-Haack · Dresden, DE
Wladimir Butwilowski · Dresden, DE
Tim Oddoy · Freital, DE
Kornelia Schlenstedt · Dresden, DE

Key dates

Filing date	Nov 20, 2020
Grant date	Jan 30, 2024
Priority date	—
Expiry date	Apr 9, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2383/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention concerns the field of polymer chemistry and relates to membranes, such as those that can be used, for example, for the preparation of aqueous solutions using microfiltration or ultrafiltration.The object of the present invention is to specify membranes which have improved anti-fouling properties and sliding friction properties.The object is attained with membranes comprised at least predominantly of multiblock copolymers of the general formula (1) where

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