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:
Jan. 02, 1979
Filed:
Nov. 08, 1974
Applicant:
Inventors:
Ulrich Kirsch, Melsungen, DE;
Manfred Krull, Heiligkreuzsteinach, DE;
Assignees:
B. Braun Melsungen Aktiengesellschaft, Melsungen, DE;
Carl Freudenberg, Kommanditgesellschaft, Weinheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210491 ; 210505 ; 210508 ; 210D / ; 428253 ;
Abstract
A filter element that is particularly suitable for filtration of blood is made by compacting a mixture of fibers that is non-injurious to blood and one component of which has a lower softening temperature than the other component or components at a temperature sufficient to soften said fiber component and thereby bind the various fiber components together to form a stable and substantially uniform filter element.