Mosquito repellent compositions
CA 1287569 C · Owner: Minnesota Mining And Manufacturing Company · Inventors: Randen, Neil A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Mosquito repellent compositions comprising an active agent and an oil-soluble, water insoluble acrylate polymer having specific solubility parameters of approximately 6-10 (cal/cc)1/2 in poorly hydrogen bonding solvents are disclosed. The compositions are substantive to the skin, have increased effective lifetimes and are cosmetically acceptable.
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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
- 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.