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. 21, 1981
Filed:
Dec. 31, 1979
Applicant:
Inventors:
Allan L Louderback, Temple City, CA (US);
Paul R Szatkowski, Bethel, CT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
252408 ; 2323 / ; 23928 ;
Abstract
There is disclosed a synthetic liquid control standard for use in the quality assurance of blood gas instrumentation systems which comprises an aqueous solution of a dye buffered to a pH of from about 7.1 to about 7.7 and containing sufficient bicarbonate ion to provide a pCO.sub.2 of from about 20 to about 80, ethylene glycol to provide a viscosity of from about 3 to about 9 centipoises and gaseous oxygen to provide a pO.sub.2 of from about 50 to about 400 retained in a sealed receptacle.