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, 2024
Filed:
Nov. 12, 2020
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Michael W. Kobe, Lake Elmo, MN (US);
Michael S. Wendland, North St. Paul, MN (US);
Kelvin J. Witcher, Hudson, WI (US);
Richard C. Webb, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L 2/28 (2006.01); A61L 2/20 (2006.01); G01N 21/77 (2006.01); A61L 101/44 (2006.01);
U.S. Cl.
CPC ...
A61L 2/28 (2013.01); A61L 2/206 (2013.01); G01N 21/77 (2013.01); A61L 2101/44 (2020.08);
Abstract
An ethylene oxide sterilization sensor, and method of use, wherein the sensor includes: a heat-shrinkable film; an acid-functional porous sorbent in thermal contact with the heat-shrinkable film; and an acid having a boiling point above 120° C. and a pKa of no greater than 2.5, wherein the acid is impregnated in or covalently attached to the porous sorbent.