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:
Jan. 11, 2000
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Angelika Kurrle-Weitenhiller, Tulzing, DE;
Axel Schmidt, Munchen, DE;
Assignee:
Roche Diagnostics GmbH, Mannheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ;
U.S. Cl.
CPC ...
436 18 ; 436176 ; 422 61 ;
Abstract
A preservative mixture in particular for preserving diagnostic test liquids, contains the sodium salt of mercaptopyridine-N-oxide together with a further preserving substance. A diagnostic test kit according to the invention contains mercaptopyridine-N-oxide sodium salt, a compound from the isothiazolone group and in particular 2-alkyl-3-(2H)isothiazolone hydrochloride with 1 to 8 C atoms in the 2-alkyl group or a preservative mixture according to the invention as the preservative for one or several test liquids of the test kit.