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:
Mar. 19, 1996
Filed:
Nov. 29, 1993
Applicant:
Inventor:
Peter Hagqvist, Alvsjo, SE;
Assignee:
AB Electrolux, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; B05D / ; B05D / ;
U.S. Cl.
CPC ...
427244 ; 427209 ; 427261 ; 427284 ; 427289 ; 427316 ;
Abstract
In a method for producing a membrane filter for a fluid purifier, wherein the filter includes a pair of membrane layers and a spacer layer placed therebetween, a layer of membrane-forming casting solution is applied to the outer surfaces of a web of fluid-permeable starting material for the membrane layers and the spacer layer. The web-like starting material is passed through a bath so as to gel the casting solution.