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:
Apr. 09, 2019
Filed:
Aug. 31, 2009
Applicants:
Eric A. Johnson, Madison, WI (US);
Marite Bradshaw, Madison, WI (US);
Kristin M. Marshall, South Beloit, IL (US);
Inventors:
Eric A. Johnson, Madison, WI (US);
Marite Bradshaw, Madison, WI (US);
Kristin M. Marshall, South Beloit, IL (US);
Assignee:
Wisonsin Alumni Research Foundation, Madison, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 15/10 (2006.01); C07K 14/33 (2006.01); C12N 15/09 (2006.01); C12N 15/87 (2006.01);
U.S. Cl.
CPC ...
C07K 14/33 (2013.01); C12N 15/09 (2013.01);
Abstract
A mutant strain of the bacteriumhaving an inactivated botulinal neurotoxin gene is disclosed. The mutant strain contains an artificially created and inserted modified intron vector between nucleotides 580 and 581 of the sense strand of the gene. The mutant strain can be used in microbiological challenge testing of foods and food processing methods.