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:
Jul. 28, 2020
Filed:
Apr. 26, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Jason W. Bjork, Cottage Grove, MN (US);
Evan D. Brutinel, Inver Grove Heights, MN (US);
Adam J. Stanenas, Cottage Grove, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
The present disclosure provides a culture device for enumerating colonies of microorganisms. The device can comprise a base, a coversheet, and a nonporous spacer member disposed therebetween. The spacer member comprises an aperture that defines a growth compartment. At least one adhesive layer is adhered to the base or the coversheet in the growth compartment. A cold water-soluble gelling agent and an effective amount of a dry carbon dioxide-generating reagent are adhered to the at least one adhesive layer. The carbon dioxide-generating reagent consists essentially of particles having a diameter of less than 106 microns.