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:
Jun. 15, 2004
Filed:
Aug. 31, 2001
David M. Mann, Gaithersburg, MD (US);
Wilson Burgess, Clifton, VA (US);
William N. Drohan, Springfield, VA (US);
Yuri Griko, Gaithersburg, MD (US);
Martin J. Macphee, Montgomery Village, MD (US);
Clearant, Inc., Los Angeles, CA (US);
Abstract
Methods are disclosed for sterilizing preparations of digestive enzymes to reduce the level of one or more active biological contaminants or pathogens therein, such as viruses, bacteria (including inter- and intracellular bacteria, such as mycoplasmas, ureaplasmas, nanobacteria, chlamydia, rickettsias), yeasts, molds, fungi, prions or similar agents responsible, alone or in combination, for TSEs and/or single or multicellular parasites. These methods involve sterilizing preparations of digestive enzymes, such as trypsin, &agr;-galactosidase and iduronate-2-sulfatase, with irradiation.