Patent · US Active

Membrane

US7896948B2 · kind B2 · utility

5Cited by

2References

18Claims

0Family size

Assignee

NTNU TECHNOLOGY TRANSFER AS · NO

Inventors

Liyuan Deng · Trondheim, NO
May-Britt Hagg · Trondheim, NO
Taek Joong Kim · Seoul, KR

Key dates

Filing date	Aug 7, 2007
Grant date	Mar 1, 2011
Priority date	—
Expiry date	May 1, 2029

Classification

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

Abstract

A membrane suitable for separating a gas, in particular carbon dioxide, from a gas mixture containing the gas is provided by a blend of polyvinyl alcohol (PVA) and polyvinylamine (PVAm).

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