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. 28, 1978
Filed:
May. 03, 1976
Applicant:
Inventor:
Alan J Polito, Costa Mesa, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
232306 ; 2323 / ; 195 63 ; 195D / ; 424-1 ; 424-15 ; 424 12 ; 2601 / ;
Abstract
A method of separating free from bound fractions in an immunoassay procedure of the type wherein a solution is contacted with a composite comprising a derivatized polysaccharide matrix covalently coupled to an antibody by a bifunctional coupling agent, wherein the improvement comprises selecting said bifunctional coupling agent from a group comprising ##STR1## WHEREIN N IS AN INTEGER FROM 1 TO 6 AND WHEREIN E IS AN INTEGER FROM 1 TO 2.