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:
May. 16, 2000
Filed:
May. 21, 1997
Applicant:
Inventor:
Ramon T Ignacio, Somerville, NJ (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436-1 ; 422 28 ; 422 86 ; 422 87 ; 436135 ;
Abstract
A sterilization indicator includes a substrate and indicator composition. The indicator composition contains a colorant, such as acid fuchsin, that undergoes a distinct color change if exposed to hydrogen peroxide vapor. The sterilization indicator can be used to monitor a sterilization process involving hydrogen peroxide vapor.