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:
Mar. 29, 1983
Filed:
Dec. 12, 1980
Applicant:
Inventor:
Ivan E Modrovich, Camarillo, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; C12N / ;
U.S. Cl.
CPC ...
435 12 ; 435188 ; 435810 ; 2524081 ;
Abstract
A stabilized urease solution is formulated by blending water, buffering agents, a bacteriostat, chelating agent, polyhydroxy organic compound and urease. The preferred buffering agents are selected from low-conductivity zwitterionic buffer salts, such as N-2-hydroxyethyl-piperazine-N'-2-ethanesulfonic acid, triethanolamine, tris(hydroxymethyl)aminomethane, diethanolamine, aminomethyl propanol and mixtures thereof.