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:
Jun. 01, 1993
Filed:
Oct. 23, 1990
Applicant:
Inventors:
David J Marrujo, Woodenville, WA (US);
Rose M Cernosek, Placentia, CA (US);
Patrick F Coleman, Edmonds, WA (US);
Charles C Walbourn, Encinitas, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
435794 ; 435-79 ; 435-793 ; 435 25 ; 435 28 ; 435188 ; 435975 ;
Abstract
A two part peroxide/chromogen reagent for use in peroxidase labeled binding assays which is stable for at least about 24 hours is disclosed. The reagent is provided as two components, the first component preferably incorporating a peroxide dissolved in a first solvent, and the second component preferably having a chromogenic substance dissolved in a second solvent where the two components can be mixed within about 48 hours of colorimetric detection of an enzyme immunoassay.