Title:
Blood test composition and method
United States Patent 2799660


Abstract:
The diagnostic composition for detecting occult blood in fluids described in Specificaton 708,996 is improved by the addition of a water insoluble material which contrasts in colour with the colour formed by combination of the colour responsive compound in the composition and blood. The water insoluble material is preferably a red, orange or yellow dye or pigment.



Inventors:
Nicholls, Richard S.
Fonner, Dale E.
Application Number:
US42352454A
Publication Date:
07/16/1957
Filing Date:
04/15/1954
Assignee:
Miles, Lab
Primary Class:
Other Classes:
436/169, 436/904
International Classes:
G01N31/22; G01N33/72
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