The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2007
Filed:
Jun. 15, 2001
Bernd Krause, Hechingen, DE;
Christel Mohlenkamp, Haren, DE;
Hylke Sijbesma, Enschede, NL;
Heiner Strahtmann, Tubingen, DE;
Matthias Wessling, Enschede, NL;
Bernd Krause, Hechingen, DE;
Christel Mohlenkamp, Haren, DE;
Hylke Sijbesma, Enschede, NL;
Heiner Strahtmann, Tubingen, DE;
Matthias Wessling, Enschede, NL;
Universitat Twente, Enschede, NL;
Abstract
The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that have an as high a separation efficiency as possible while simultaneously having a high membrane efficiency. To this end, the membrane has a gas- or liquid-permeable bicontinuous foam structure with orifices in the interior whose diameters do not exceed 500 nm.