Sheet-like, oxygen-scavenging agent
CA 1265776 C · Owner: Mitsubishi Gas Chemical Company, Inc. · Inventors: Inoue, Yoshiaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A sheet-like oxygen scavenger for preserving foods or other article in an oxygen-free conditions. This oxygen scavenger is composed of a mixture of fibrous material, iron powder, water and electrolytic material and formed into a sheet-like product by a process which is similar to a paper making process. This sheet-like oxygen scavenger may be covered with gas-permeable film or laminate film. A method of manufacturing the sheetlike oxygen scavenger is also disclosed.
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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
- 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.