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:
Feb. 10, 1981
Filed:
Jun. 01, 1979
Applicant:
Inventors:
Hans Wielinger, Mannheim, DE;
Walter Rittersdorf, Mannheim, DE;
Manfred Bleisteiner, Mannheim, DE;
Gerd Zimmermann, Weinheim, DE;
Wolfgang Werner, Mannheim, DE;
Wolfgang Vomel, Mannheim, DE;
Assignee:
Boehringer Mannheim GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ;
U.S. Cl.
CPC ...
435 32 ; 422 58 ; 435 33 ; 435 34 ; 435 39 ; 435 40 ; 435292 ; 435293 ; 435299 ; 435300 ; 435301 ; 435805 ; 435810 ;
Abstract
Microbiological test device having a nutrient card or cards and a covering layer thereover which is permeable to nutrients but impermeable to bacteria. The covering layer is made from an aqueous dispersion of a water insoluble resin and a pore former.