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:
Dec. 19, 2000
Filed:
Oct. 14, 1997
Applicant:
Inventor:
James Matthew Stephens, Cincinnati, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436175 ; 436 63 ; 436 94 ; 436106 ; 436108 ; 436163 ; 436901 ;
Abstract
Urine samples are made free of potentially interfering substances, such as alkaloids or pharmaceuticals, by contacting the urine sample with an amount of a chemical oxidizing agent, while retaining the physical indicia characteristic of urine to allow the sample to be further tested.