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Expired Canadian patentCanada

Antiinfective composition containing non-ionic surfactant

CA 1314221 C · Owner: Hunter, Robert L. · Inventors: Hunter, Robert L.

CIPO record

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Abstract From the Canadian patent

ANTIINFECTIVE COMPOSITION CONTAINING NON-IONIC SURFACTANT", Abstract of the Invention The present invention comprises a compound and use which inhibits the growth of mycobacteria and comprises a method of treating humans or animals with the compound. The present invention also includes a composition useful for treating bacterial infections comprising a mixture of a nonionic block copolymer and a conventional antibiotic. Several conventional antibiotics that can be used with the nonionic copolymer include but are not limited to, refampin, isoniazid ethambutol, gentamicin, tetracycline, and erythromycin. Further the present invention includes a method for treating a viral infection in a human …

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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 March 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 9, 2010.
  • 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 22, 1988
GrantedMarch 9, 1993
Term endedMarch 9, 2010
Patent numberCA 1314221 C
Classification (IPC)A61K31/77 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedFeb 22, 1988Patent grantedMarch 9, 1993Term endedMarch 9, 2010

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