Method of storing vegetables and/or fruits and a refrigerating container therefor
CA 2044245 A1 · Owner: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha · Inventors: Kawai, Tamotsu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
ABSTRACAT, This invention relates to a method of precooling precooled materials such as fruits and vegetables under vacuum, and keeping it in a precooled state for a long time. and to a refrigerating container therefor. Precooling and keeping the precooled state for a long time have been regarded as impossible in the past. but these problems are resolved in this invention even for materials closely stored in the container. This container is formed with ventilating communication conduits of a desired length for providing communincation between the inside and outside of the container when the container is closed. As a result the materials such as the fruits and vegetables can be transported a …
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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
- Filed October 2, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 2, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 2, 2012.
- 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.