Method and apparatus for microwave sterilization of ampules
CA 1329314 C · Owner: Eisai Co. Ltd. · Inventors: Iijima, Kenichi; Kudo, Minoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rectangular waveguide is provided in communication with a microwave generator, and an irradiation furnace formed in its top wall with a slot is provided in communication with the rectangular waveguide. Ampules having only lower portions inserted through the slot into the irradiation furnace are transported by conveyor means along the slot. A depth of the irradiation furnace and/or a distance between the ampules and a surface of the slot may be adjusted to control sterilizing effect for medical fluid filling the ampule.
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 May 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2011.
- 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.