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:
Dec. 23, 1986
Filed:
Sep. 06, 1985
Applicant:
Inventors:
Nicholas A Giorgio, Avenel, NJ (US);
John Krupey, Glen Rock, NJ (US);
Leonard T Wilson, Verona, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
435-7 ; 436175 ; 436177 ; 436534 ; 436540 ; 436804 ; 436813 ; 436825 ; 436826 ;
Abstract
Process for the determination of carcinoembryonic antigen (CEA) in a sample of serum or plasma. The process comprises contacting a slightly acidic buffered sample of the serum or plasma with hydrophilic silica at room temperature, separating the silica from the sample and carrying out a radioimmunoassay for carcinoembryonic antigen on said sample.