Octane enhancing additive for gasoline
CA 2437761 A1 · Owner: Kharrat, Abdel M. · Inventors: Kharrat, Abdel M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An octane increasing additive for gasoline which, includes N-methylaniline or N-ethylaniline with aniline and, ethanol. There is not less than 5% and not more than 70% by volume of at least one of N-methylaniline or N-ethylaniline. There is not less than 10% and not more than 50% by volume of aniline. There is not less than 5% and not more than 60% by volume of ethanol.
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 August 20, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 20, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 20, 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.
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.