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. 24, 1986
Filed:
Jun. 01, 1984
Applicant:
Inventors:
Marc Parham, Sharon, MA (US);
William J Warren, North Smithfield, RI (US);
Assignee:
Travenol-Genetech Diagnostics, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; C12Q / ; C12Q / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435-7 ; 435 14 ; 435 28 ; 435184 ; 435188 ; 435810 ;
Abstract
The use of aqueous N-methyl pyrrolidone as a solvent for a substrate containing tetraalkyl benzidine chromogen and a peroxide in determining peroxidase enzyme activity provides increased stability of the substrate solution and decreased substrate drift in carrying out enzyme immunoassays or enzyme-linked immunosorbent assays.