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:
Sep. 07, 2021
Filed:
Oct. 26, 2018
Applicant:
3m Innovative Properties Company, Saint Paul, MN (US);
Inventors:
Wensheng Xia, Woodbury, MN (US);
Naiyong Jing, Saint Paul, MN (US);
Matthew J. Bongers, Minneapolis, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/22 (2006.01); G01N 21/17 (2006.01); C07C 409/04 (2006.01);
U.S. Cl.
CPC ...
G01N 31/228 (2013.01); C07C 409/04 (2013.01); G01N 21/17 (2013.01); G01N 31/226 (2013.01); G01N 2021/174 (2013.01);
Abstract
A peracetic acid decontamination chemical indicator including a substrate and an indicator composition disposed thereon, where the indicator composition comprises a colorant that changes color when exposed to a peracetic acid solution but does not change color when exposed to a hydrogen peroxide solution, an acidified hydrogen peroxide solution, or an acetic acid solution, and where the indicator composition does not include a transition metal salt or a halogen source, and methods of using the chemical indicator.