Expired Canadian patentCanada
Composition containing divalent manganese ion and method for preparing the same
CA 1329982 C · Owner: Chief Resources Limited · Inventors: Ikari, Yoshikatsu
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a composition containing divalent manganese and a method for preparing the compound. The compound is stable but has good activity and reactivity to be able to use as a deodorizer.
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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 June 7, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 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.
FiledDecember 1, 1988
GrantedJune 7, 1994
Term endedJune 7, 2011
Patent numberCA 1329982 C
Classification (IPC)C01G45/00 +2 more
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.