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:
Jan. 26, 1988
Filed:
Feb. 04, 1985
Applicant:
Inventors:
Emerson W Chan, Bolingbrook, IL (US);
Joel R Mitchen, Winthrop Harbor, IL (US);
Assignee:
Abbott Laboratories, North Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; A61K / ;
U.S. Cl.
CPC ...
435239 ; 435235 ; 435948 ; 43524021 ; 424 89 ;
Abstract
The present invention relates to a method for producing human hepatitis A virus in vitro employing tissue culture techniques. In particular, the present invention relates to an in vitro tissue culture procedure utilizing a persistently infected cell line that produces high titers of hepatitis A virus. The hepatitis A virus thus produced is a source of hepatitis A virus antigens.