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:
Sep. 11, 2001
Filed:
Aug. 26, 1994
Applicant:
Inventors:
Herbert Harttig, Altrip, DE;
Hartmut Merdes, Heidelberg, DE;
Hans Lange, Lampertheim, DE;
Manfred Zeiler, Altlussheim, DE;
Assignee:
Roche Diagnostics GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/350 ;
U.S. Cl.
CPC ...
G01N 3/350 ;
Abstract
The invention concerns the use of an asymmetric porous membrane for the evenly distributed concentration of a substance which is not or not substantially adsorbed to the membrane and which is brought into contact with the membrane in the form of a membrane-wetting solution on the fine-pored side of the membrane.