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:
Aug. 25, 2015
Filed:
May. 05, 2009
William E. Foltz, Cottage Grove, MN (US);
Steven S. Kirckof, Woodbury, MN (US);
Lawrence D. Fosler, Cottage Grove, MN (US);
Joshua M. Schmitz, Flemington, NJ (US);
Barry W. Robole, Woodville, WI (US);
Chad M. Herrlein, Woodbury, MN (US);
William E. Foltz, Cottage Grove, MN (US);
Steven S. Kirckof, Woodbury, MN (US);
Lawrence D. Fosler, Cottage Grove, MN (US);
Joshua M. Schmitz, Flemington, NJ (US);
Barry W. Robole, Woodville, WI (US);
Chad M. Herrlein, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A sterilization process challenge device comprising a solid body comprised of walls which define a space, wherein the space can fully contain a sterilization indicator and a volume of gas of at least 5 cubic centimeters and not more than 1000 cubic centimeters; a flow restrictor associated with the solid body such that any flow of the gas out of the space and any flow of a sterilant into the space is restricted; wherein the sterilization indicator indicates whether or not it has been contacted by the sterilant for a time and at a temperature sufficient to sterilize an article; and wherein the walls of the solid body are impervious to the sterilant and have a thickness of at least 0.3 centimeter, methods of using the device and a kit including the device are disclosed.