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Expired Canadian patentCanada

Anti-icing and deicing compositions and method of their application

CA 2458829 C · Owner: Bloomer, Todd A. · Inventors: Bloomer, Todd A.

CIPO record

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Abstract From the Canadian patent

Disclosed is a deicing/anti-icing composition that includes sugar cane molasses solids and a deicing component which preferably is a chloride salt. , The composition may be applied to surfaces to remove ice or snow therefrom or , to inhibit the accumulation of ice and snow thereon. The sugar can molasses solids may be sprayed onto the salt as the salt is being applied to a road surface from a moving vehicle. Alternately the sugar cane molasses solid may , be applied to body of salt to inhibit ice formation at or near the surface of the body of salt.

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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

  • Filed July 22, 2003 and granted October 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 22, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 22, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 22, 2003
GrantedOctober 7, 2014
Term endedJuly 22, 2023
Patent numberCA 2458829 C
Classification (IPC)C09K3/18

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJuly 22, 2003Patent grantedOct 7, 2014Term endedJuly 22, 2023

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.