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:
Jul. 20, 1982
Filed:
Jul. 21, 1980
Applicant:
Inventors:
Richard A Harte, Redwood City, CA (US);
Max Bart, San Jose, CA (US);
Assignee:
Daryl Laboratories, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
422 56 ; 23915 ; 422 57 ; 424-8 ; 424 12 ; 428325 ; 428326 ; 428327 ; 435-5 ; 435-7 ; 435805 ;
Abstract
A solid-phase immunosubstrate (14) which has a surface coating (12) composed of a water based emulsion of microdiameter sized latex polymer beads (16) and materials which act as light scattering centers (17), said surface coating (12) having an immunoreagent added thereto to form an immunoreactive immunosubstrate (27). An overcoating (28) being formed on said surface coating (12), said overcoating having a higher percentage of similarly sized latex polymer beads (16) contained therein.