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. 13, 2001
Filed:
Nov. 23, 1994
Patricia Worsham, Jefferson, MD (US);
Arthur M. Friedlander, Gaithersburg, MD (US);
Bruce Ivins, Frederick, MD (US);
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
This invention relates to a bacterial expression system for production of protective antigen (PA) against,. Recombinant asporogenic,that are derived from &Dgr;Sterne-1(pPA102) and show inability to bind the dye when grown on Congo Red Agar can be screened and asporogenic strains isolated using methods of the invention. organisms of the invention lacking spore-forming function may be killed by heat shock at temperatures as low as 60° C. for 60 minutes. Hence, contamination of the environment with viable spore-forming organisms is easily avoided and decontamination is easily accomplished.