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.

Date of Patent:
Aug. 19, 2025

Filed:

Dec. 12, 2018
Applicant:

Neogen Food Safety Us Holdco Corporation, Lansing, MI (US);

Inventors:

Jason W. Bjork, Woodbury, MN (US);

Sailaja Chandrapati, Woodbury, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M 1/00 (2006.01); C08L 1/28 (2006.01); C12M 1/12 (2006.01); C12N 5/00 (2006.01); G05F 1/59 (2006.01); H02M 3/157 (2006.01); H02M 3/158 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
C12M 23/20 (2013.01); C08L 1/284 (2013.01); C12M 23/04 (2013.01); C12N 5/0068 (2013.01); G05F 1/59 (2013.01); H02M 3/157 (2013.01); H02M 3/1584 (2013.01); H02M 1/0012 (2021.05);
Abstract

A device for growing microorganisms is provided. The device includes a body member comprising a self-supporting, waterproof substrate, a layer of adhesive disposed on the substrate, a powder adhered to the adhesive, a cover sheet adhered to the body member, and a dry composition including a mixture of hydroxypropylmethylcellulose and guar gum adhered to the cover sheet or the substrate. The powder comprises a cold-water-soluble gelling agent and one or more nutrient for growing microorganisms. The composition, when reconstituted with water, resists liquefaction by microorganisms A method of culturing microorganisms using the device is also provided.


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