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:
May. 20, 2014
Filed:
Sep. 03, 2009
Andreas Maurer, Tuebingen, DE;
Andreas Maurer, Tuebingen, DE;
Novalung GmbH, Talheim, DE;
Abstract
The invention relates to a gas transfer device comprising at least two chambers and at least one gas-permeable and liquid-impermeable membrane, wherein the chambers are separated from one another by the membrane(s), and wherein the membrane(s) is/are structured on at least one side and channels and/or branching structures, in particular branched pathways, are formed on the membrane by this structure, the walls of which have a spacing of ≦500 μm, preferably of ≦350 μm, and more preferably of ≦150 μm, and the proportion of the membrane surface area which comprises channels and/or branching structures having this spacing constitutes at least 50% of the total surface area of the membrane.