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:
May. 13, 1997
Filed:
Sep. 13, 1995
Applicant:
Inventors:
Hans Beer, Bosinghausen, DE;
Klaus Froese, Hardegsen, DE;
Assignee:
Sartorius AG, Goettingen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
422 56 ; 422101 ; 21050022 ; 21050029 ; 2105003 ;
Abstract
There is disclosed a composite isotropic cellulose nitrate membrane on a polyester support and a method of making the same, the membrane having particular utility as various types of reagent-containing test strips for use in analytical chemistry and medicinal diagnostics.