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:
Oct. 02, 2012
Filed:
Sep. 06, 2007
Detlev Fritsch, Reinbek, DE;
Gisela Bengtson, Hamburg, DE;
Katrin Ebert, Lüneburg, DE;
Joachim Koll, Schwarzenbek, DE;
Petra Merten, Lauenburg, DE;
Detlev Fritsch, Reinbek, DE;
Gisela Bengtson, Hamburg, DE;
Katrin Ebert, Lüneburg, DE;
Joachim Koll, Schwarzenbek, DE;
Petra Merten, Lauenburg, DE;
Abstract
The invention relates to a process for producing a polymer membrane, the polymer membrane being produced from a solution, in particular a casting solution, comprising at least one first polymer. The invention further relates to a polymer membrane. The process of the invention is distinguished by the fact that a water-soluble second polymer and/or oligomer that forms phases in the solution is part of the solution. The polymer membrane of the invention, preferably produced by the process of the invention, has an oil flow rate, in particular of a refined edible oil, of greater than 200 l/mh bar at 60° C.