Prolonging the shelf life of fresh root vegetables
CA 1312499 C · Owner: Gilbert, Seymour G. · Inventors: Gilbert, Seymour G.; Orr, Avigdor; Spingler, John O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The shelf life of root crops such as raw carrots can be substantially increased by subjecting the raw carrots in one embodiment, to a process including (a) a mild heat treatment effective to reduce the microflora of the carrots but not to adversely affect the organoleptic qualities of the raw carrots, (b) the rapid cooling of the heat treated vegetable and (c) placing the vegetable in a sealed container to prevent microbial recontamination and maintain the vegetable in a viable condition. In another embodiment the, process includes subjecting the carrots to a vacuum breaking, the vacuum in the presence of water and placing the vegetable in a sealed container to prevent microbial …
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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
- Granted January 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 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.