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, 1989
Filed:
Apr. 10, 1985
Applicant:
Inventors:
Koichi Kondo, Osaka, JP;
Nobuhiro Suzuki, Suita, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
435-7 ; 435 28 ; 435810 ; 436518 ; 436813 ;
Abstract
An immunochemical assay of human carcinoembryonic antigen (CEA), comprising the use of an antibody supported on a carrier and an antibody labelled with peroxidase by coupling by means of a compound of the formula: ##STR1## wherein n is an integer of 0 to 5 and R is a chemical bond or a divalent 6-membered cyclic hydrocarbon residue, in which at least one of said antibodies is a monoclonal antibody. The assay can be conducted with high sensitivity by simple and easy operation in clinical laboratories.
Kondo, Koichi. (1989). Immunochemical assay of carcinoembryonic antigen and reagent therefor (U.S. Patent No. 4816390). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4816390
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