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:
May. 15, 2007

Filed:

May. 09, 2006
Applicants:

Gerald E. Mcdonnell, Basingstoke, GB;

Herbert J. Kaiser, Pontoon Beach, IL (US);

Kathleen M. Antloga, Chardon, OH (US);

Mildred R. Bernardo, St. Louis, MO (US);

Inventors:

Gerald E. McDonnell, Basingstoke, GB;

Herbert J. Kaiser, Pontoon Beach, IL (US);

Kathleen M. Antloga, Chardon, OH (US);

Mildred R. Bernardo, St. Louis, MO (US);

Assignee:

Steris Inc., Temecula, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/395 (2006.01); C11D 3/43 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of treating the surfaces of medical instruments which are contaminated with prions includes contacting the surface with a composition containing a source of peroxide ions, such as hydrogen peroxide, at a molar concentration of at least 1.5M peroxide (equivalent to approximately 5% hydrogen peroxide) and preferably, about 2M peroxide (approximately 7% hydrogen peroxide). The composition is optionally in the form of a gel. The composition is retained in contact with the surfaces for about 1–2 hours until all or substantially all prion contamination is removed.


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