Azido additives for liquid hydrocarbon motor fuels
CA 1180187 A · Owner: Rockwell International Corporation · Inventors: Frankel, Milton B.; Flanagan, Joseph E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to liquid hydrocarbon motor fuels improved by the addition of an azido compound. Specifically the azido compounds of the, present invention have the following general formulas N3-R2,N3-R2-N3 N3-R3-O-R4-N3. N3-R3-CO2-R4-N3,, and, wherein R is an alkyl, alkyl hydroxy, primary alkyl ether, and alkyl ester and mixtures thereof; R2 is an alkyl or alkyl hydroxy, R3 and R4 are the same or different and comprise lower alkyl radicals and mixtures thereof; x is an integer from 1 to 5' y is an integer from 3 to about 20; and z is an integer from 3 to 20.
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 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.