Additive composition for treating water used to form ice and methods
CA 1340591 C · Owner: Slick Ice Limited · Inventors: Rzechula, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The problems associated with patching, sealing and forming ice due to water run off and large imperfections on skating rinks is solved by the use of an additive for treating water which comprises a polymer selected from the group consisting of water gelling starches and polymers of acrylic acid and sodium silt commonly referred to as super absorbent polymers and means for dispersing the polymer in water. The polymer absorbs water, which may be tap water at a temperature in the range of 45-45°F, producing a generally homogenous mixture with slush-like consistence, when mixed with the water. The mixture may then be applied where patching sealing or the formation of ice is required. The …
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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 8, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 8, 2016.
- 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.