Zirconium additives for residual fuel oil
CA 1187285 A · Owner: Exxon Research And Engineering Company · Inventors: Feldman, Nicholas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for reducing the amount of particulate matter formed during the combustion of residual fuel oil particularly No. 6 fuel oil, comprising adding an effective amount of selected oil soluble zirconium salts of an alcohol/phenol or sulfonate to the residual fuel oil prior to combustion.
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 May 21, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 21, 2002.
- 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.