Method and plant for improving keeping qualities of food products
CA 2074248 A1 · Owner: Alfa-Laval Food Engineering Ab · Inventors: Noren, Tommy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For improving the keeping qualities of certain food products especially sliced meat products, it is suggested that the food products immediately after they have been packed are subjected to a heat treatment by means of microwave energy so that they are, maintained at a temperature in the interval 50-80 ·C preferably 50-70, ·C, during a time period of 5-60 seconds. The food products (12) are moved by means of an endless belt (9) in a path across an elongated wave guide (15, 21) which has at least one slot (19; 22 23) extending across the whole food products movement path.
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
- Filed January 31, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 31, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 31, 2013.
- 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.