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:
Nov. 28, 1989
Filed:
Sep. 30, 1987
Applicant:
Inventor:
Dennis J Kubek, Lansdale, PA (US);
Assignee:
Merck & Co. Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
530415 ; 530412 ; 530414 ; 530418 ; 530419 ; 530420 ; 530421 ; 530422 ; 530423 ; 530424 ; 424 89 ; 435 68 ;
Abstract
A liquid phase containing preS2+S antigen is separated into two phases after which the desired antigen is concentrated, washed and adsorbed and desorbed from a fumed silica to produce a product that is purified and concentrated in antigen:protein ratio and that is suitable for final purification.