Material utilized in preserving perishable goods
CA 1332122 C · Owner: Nissho & Co. Ltd. · Inventors: Someya, Nobuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a material for preserving perishable goods which is made of a raw material mixed with coral sand. The coral sand is plated with silver only or with silver and zinc, or with silver zinc and, copper. The amount of plated silver is in the range of about 0.01 to about 15 wt %, while the total amount of plated silver and zinc or plated silver zinc and copper is, in the range of about 1 to about 15 wt %. Preferably the, raw material is synthetic resin. According to the present material, it exhibits an excellent freshness-keeping effect for perishable goods and a sterilizing effect. In addition it posesses bacterial-growth suppressing and fungiproof abilities and …
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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 September 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 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.