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:
Aug. 27, 1991
Filed:
Oct. 08, 1985
Applicant:
Inventors:
Gorik Brunner, Hanover, DE;
Bernd Mathieu, Spiesen, DE;
Assignee:
Fresenius AG, Bad Homburg von der Hohe, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210646 ; 21032172 ;
Abstract
A method and apparatus are provided for clearing toxic substances from biological fluids by using at least one microporous diaphragm whose pores are filled with a liquid, which is immiscible with the biological fluid, a washing fluid flows past one face of the diaphragm while the biological fluid flows past the opposite face of the diaphragm. The microporous diaphragm is made of a hydrophobic polymer and the immiscible liquid is a highly refined mineral oil, a highly hydrogenated plant oil, a highly hydrogenated animal oil or, a dimethylated silicone.