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:
Feb. 13, 1990
Filed:
Feb. 06, 1989
Applicant:
Inventors:
Andreas Graus, Norten-Hardenberg, DE;
Michael Schutzler, Gottingen, DE;
Assignee:
Sartorius GmbH, Gottingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
21032184 ; 210446 ; 264257 ;
Abstract
In a small filter with a one-piece plastic housing (1) manufactured with injection-molding technology in which a filter membrane (6) is located which is connected on its edge in a leakproof manner to the housing (1), the filter membrane (6) is covered at least on one side on the edge area (6') to be sealed by the injection molding which hardens in the injection molding form and is anchored in this injection molding.