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Expired Canadian patentCanada

Additive for fuels

CA 1284584 C · Owner: Lundquist, Carl E. · Inventors: Lundquist, Carl E.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to an additive for fuels based on hydrocarbon which is characterized by a content of oxo compounds of bicyclic terpenes.

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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 June 4, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 12, 1986
GrantedJune 4, 1991
Term endedJune 4, 2008
Patent numberCA 1284584 C
Classification (IPC)C10L1/18 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedFeb 12, 1986Patent grantedJune 4, 1991Term endedJune 4, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.