Expired Canadian patentCanada
Fuel compositions containing dialkyl formamides
CA 1087843 A · Owner: Chevron Research And Technology Company · Inventors: Frost, Kenneth A.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fuel compositions are provided which possess octane requirement moderating properties and comprise a major portion of a hydrocarbon boiling in the gasoline range and a minor portion of a dialkyl formamide of 7 to 11 carbon atoms.
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 October 21, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 21, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 17, 1976
GrantedOctober 21, 1980
Term endedOctober 21, 1997
Patent numberCA 1087843 A
Classification (IPC)C10L1/22 +1 more
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.