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:
Nov. 23, 1976
Filed:
Dec. 19, 1973
Applicant:
Inventors:
Hans-Georg Rey, Mannheim-Woldhof, DT;
Walter Rittersdorf, Mannheim-Woldhof, DT;
Ernst-Werner Busch, Lampertheim, DT;
Assignee:
Boehringer Mannheim G.m.b.H., Mannheim, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
424-9 ; 424 14 ; 424 16 ; 424 32 ; 424 35 ;
Abstract
A diagnostic composition comprising a base material and a light colored coating material thereon, wherein the base material has a dark color on its coated side, and the coating material is a finely dispersed microporous plastic applied in a thickness sufficient for the complete masking of the color of the base material, is outstandingly effective in detecting fat or fat-like substances on surfaces by merely contacting the composition with the surface.