Alkyldiaminoamids of fatty acids as gasoline additives
CA 1047252 A · Owner: Ici United States Inc. · Inventors: Yount, Joseph B. (Iii)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Gasoline fuel compositions containing a dual additive comprising a composition having the general formula R-NHCH2CH2CH2NHCO-R' is improved by incorporation therewith of a second additive having the general formula R"OCH2CH2CH2NHCH2CH2 CH2NHCOR' in which R is an aliphatic hydrocarbon radical having 10-20 carbon atoms; R' is an aliphatic hydrocarbon radical having 9-19. carbon atoms and R" is an aliphatic hydrocarbon radical having '0-15 carbon atoms. The carburization systems of internal combustion engines operating on gasolines containing these additives remain low in harmful deposits of varnish scale which normally results from untreated fuel.
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 January 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 1996.
- 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.