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:
Jul. 04, 1989
Filed:
Nov. 13, 1984
Applicant:
Inventors:
Jack E Wallace, San Antonio, TX (US);
Kenneth Blum, San Antonio, TX (US);
Assignee:
Matrix Technologies, Inc., League City, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
422 56 ; 422 57 ; 436 92 ; 436164 ;
Abstract
A carrier for detecting drug abuse compounds which changes color upon contact with such compounds. Metabolites of abusable drugs such as natural opiates, i.e., morphine and heroin, are qualitatively and semi-quantitatively detected in physiological fluids by the use of the carrier which has been treated with certain stain-producing components adapted to react with the dug abuse compound residues to form colored products and which may be enhanced by intense light and/or heat.