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:
Apr. 04, 1995
Filed:
Jul. 20, 1989
Applicant:
Inventors:
Hans-Erich Wilk, Lorsch, DE;
Dieter Mangold, Maxdorf, DE;
Rolf Lerch, Ilvesheim, DE;
Joachim Steinbiss, Lorsch, DE;
Assignee:
Boehringer Mannheim GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; G01N / ; G01N / ; C12N / ;
U.S. Cl.
CPC ...
435-4 ; 435-71 ; 435181 ; 436527 ; 436531 ; 530815 ; 525 541 ; 525 56 ; 427185 ;
Abstract
A carrier matrix of polyvinyl alcohol-coated glass is dissolvably impregnated with reagent. The matrix is manufactured by slurrying glass fibers in an excess of water and polyvinyl alcohol and forming a layer, which is then dried and impregnated with reagent.