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Expired Canadian patentCanada

Stabiliser for oil-water mixtures

CA 1114596 A · Owner: Farsan Enterprises Limited · Inventors: Lo, Shih H.

CIPO record

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

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Abstract From the Canadian patent

Stabilizers for oil-water mixtures A stabilising agent which produces stable fuel oil-water mixtures for use as fuels with consequent fuel savings comprises: a combustible emulsifier 6 to 11.5 parts by weight ferrocene 4 to 9 parts by weight, magnesium (as an oil-soluble magnesium salt) 4.5 to 9.2 parts by weight, anionic surfactant 1.4 to 3 parts by weight benzoic acid 0 to 12 parts by weight, in an oil-based liquid medium.

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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 December 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 16, 1979
GrantedDecember 22, 1981
Term endedDecember 22, 1998
Patent numberCA 1114596 A
Classification (IPC)C10L1/32

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedNov 16, 1979Patent grantedDec 22, 1981Term endedDec 22, 1998

Sources & verification

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