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Expired Canadian patentCanada

Gallium inhibits biofilm formation

CA 2547982 C · Owner: Britigan, Bradley E. · Inventors: Britigan, Bradley E.; Singh, Pradeep

CIPO record

Overview

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

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Abstract From the Canadian patent

The present invention provides a gallium-containing composition for coating/impregnating a device or device surface to prevent biofilm growth formation. The present invention also provides a method of preventing or inhibiting biofilm growth formation. The present invention also provides methods for killing established biofilms.

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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

  • Filed December 3, 2004 and granted March 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 3, 2024.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 3, 2004
GrantedMarch 18, 2014
Term endedDecember 3, 2024
Patent numberCA 2547982 C
Classification (IPC)A01N59/16 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 3, 2004Patent grantedMarch 18, 2014Term endedDec 3, 2024

Sources & verification

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