Water-activated, exothermic chemical deicing formulations
CA 1295121 C · Owner: L-Bar Products Incorporated · Inventors: Roman, Ronald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A dry, water-activated exothermic chemical formula-, tion useful as a deicing agent on surfaces which includes, magnesium metal and magnesium oxide and at least one chloride, salt to depress the freezing point of water and prevent the buildup of snow and ice on surfaces.
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 February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 2009.
- 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.