Cycloalkane base oils, cycloalkane-base dielectric liquids made using cycloalkane base oils, and methods of making same
CA 2586634 C · Owner: Holmes, Steven Allen · Inventors: De Kraker, Abraham Robert; Smith, Michael Phillip; Powers, John Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cycloalkane base oil, methods of making cycloalkane base oil and dielectric , liquid comprising cycloalkane base oil the cycloalkane base oil comprising a quantity of isoparaffins and from 50 wt.% to 70 wt.% cycloalkanes having the formula CnH2n wherein n is from 15 to 30 said quantity of isoparaffins being , less than 50 wt.% of said cycloalkane base oil.
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 November 4, 2005 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 4, 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.