Deodorizer
CA 2008344 C · Owner: Ricom Corporation · Inventors: Iijima, Masao; Ishibashi, Sadami; Imai, Tadashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A deodorizer comprises a hydrophilic solvent extract of fruitbadies of champignon mushroom or powder of the extract as an effective component. The extract of champignon mushroom used as an effective component can be prepared by a method which comprises the step of immersing the mushroom in a hydrophilic solvent at a temperature ranging from 60 to 100° C for 15 minutes to 2 hours to perform extraction. The extract can further be treated to obtain the effective components in the form of powder. The extract and the powder thereof can be used as an effective component of a deodorizer capable of oral intake, which serves as a deodorizer for preventing bad smell of environment or an agent for …
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 23, 1990 and granted February 20, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 23, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2012.
- 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.