Hydrogen peroxide sterilization method
CA 1318479 C · Owner: Childers, Robert W. · Inventors: Cummings, Arthur L.; Childers, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for sterilizing the surfaces within a chamber wherein a first portion of the surfaces is at a temperature below 10°C and a second portion of the surfaces is at a temperature greater than 20°C. The process includes the steps of introducing vapor phase hydrogen peroxide to the chamber, contacting the first portion with the vapor to effect condensation thereon, contacting the second portion with the vapor, applying a source of vacuum to the chamber and continuing to introduce vapor phase hydrogen peroxide into the chamber until the surfaces are sterile while preserving the temperature ranges of the first and second portions.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.