Non-conductive colored heat transfer fluids
CA 2579118 C · Owner: Prestone Products Corporation · Inventors: Woyciesjes, Peter M.; Marinho, Filipe J.; Yang, Bo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a colored heat transfer fluid the heat transfer fluid comprising , a non-conductive colorant and having a conductivity of less than 200 ~S/cm. Also provided is an assembly comprising an alternative power source and a heat transfer system in thermal communication with the alternative power source the heat transfer system comprising the disclosed low conductivity colored heat transfer fluid. In addition, a method of making a colored heat transfer fluid is disclosed wherein the disclosed nonconductive colorants are added to a heat transfer fluid having a conductivity of less than 200 ~S/cm.
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 8, 2005 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.