Snow inducing agents for artificial snow manufacturing
CA 2246793 A1 · Owner: Stenlake, Charles · Inventors: Stenlake, Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a method for making artificial snow wherein a snow-inducing agent is injected into the water of a snow-making system along with a particulate for increased snow-making capabilities and a higher quality of snow. The snow-inducing agent is a compound being a sulfate with a C8-16 carbon chain alcohol. Preferably the compound is sodium, myreth sulfate. The snow-inducing agent places tiny micro millimeter size air "bubbles" within the water molecules thereby stretching the molecules. The particles then mix in the wall of the water molecules causing the droplet to be hollow. The thin outer wall containing the particulate acts as a nucleating agent to start the …
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 September 1, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 1, 2020.
- 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.