Patent · US Active

Carbon membranes

US7947114B2 · kind B2 · utility

13Cited by

10References

17Claims

0Family size

Assignee

NTNU TECHNOLOGY TRANSFER AS · NO

Inventors

May-Britt Hagg · Trondheim, NO
Jon Arvid Lie · Trondheim, NO

Key dates

Filing date	Aug 4, 2006
Grant date	May 24, 2011
Priority date	—
Expiry date	Feb 3, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S55/05
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for the production of a carbon membrane comprising: (i) reacting a mixture of cellulose and hemicellulose with an acid; (ii) casting the mixture to form a film, (iii) drying said film; and (iv) carbonizing said film.

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