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:
Oct. 22, 1991
Filed:
Nov. 24, 1986
Applicant:
Inventors:
Hugh M Davis, Westchester, PA (US);
Thomas L Klug, Westchester, PA (US);
Vincent R Zurawski, Jr, Westchester, PA (US);
Assignee:
Centocor, Inc., Malvern, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
530350 ; 530395 ; 530412 ; 530413 ; 530417 ; 530418 ; 530419 ; 530420 ; 530827 ; 530853 ; 530832 ; 530387 ; 435 701 ; 424 858 ;
Abstract
A preparation of an isolated immunoreactive CA 125 Antigen, and a method of isolating it is disclosed. CA 125 Antigen is a glycoprotein having a molecular weight of about 200kD, and a carbohydrate-content of about 24%. The CA 125 Antigen is isolated from a cell culture medium by acid precipitation, and is subsequently purified by size exclusion chromatography and immunoaffinity chromatography.