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.

Date of Patent:
Sep. 06, 1977

Filed:

Apr. 08, 1975
Applicant:
Inventor:

Rudolph P Reckel, Somerville, NJ (US);

Assignee:

Ortho Diagnostics Inc., Raritan, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07G / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
424 11 ; 2601 / ; 260121 ; 424-8 ; 424 12 ; 424 13 ; 424101 ; 424177 ;
Abstract

New serological albumin compositions are provided which have greater potentiating capabilities than existing compositions in agglutination reactions of the IgG class of immune globulins. The essential component is at least one covalently bonded serum albumin polymer. The novel polymers are those containing from two to about eight or more monomeric albumin units which are joined to each other through a covalent peptide bond. Serological compositions may be prepared by polymerization of a dilute aqueous albumin solution, quenching of the reaction, precipitation of the products as solids, dissolution of albumin solids with or without separation of polymers in physiological or isotonic solutions. The compositions are useful as diluents for reagent preparation and for titration media, and as antibody detecting media.


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