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:
Feb. 25, 1992
Filed:
Jan. 29, 1990
Applicant:
Inventors:
Melvin E Klegerman, Chicago, IL (US);
Michael J Groves, Lake Forest, IL (US);
Assignee:
The Board of Trustees of the University of Illinois, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ;
U.S. Cl.
CPC ...
435 681 ; 4352531 ; 424 92 ; 424 / ;
Abstract
Mycobacterium bovis BCG suspensions are treated with a protease enzyme such as pronase, resulting in the production of suspensions having smaller aggregates and single cells. Such suspensions, when processed into vaccines, exhibit improved immunizing potential against cancer and would be expected to exhibit improved immunizing potential against tuberculosis.