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Expired Canadian patentCanada

Disinfectant polymeric coatings for hard surfaces

CA 1302239 C · Owner: Majewski, Donna M. · Inventors: Pedersen, Daniel E.; Oakes, Thomas R.; Majewski, Donna M.

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

Liquid disinfectant compositions are disclosed which can be used to surface-coat substrates with polymeric films which are adherent, water-resistant and which can impart prolonged germicidal properties to the treated surfaces.

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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 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 11, 1988
GrantedJune 2, 1992
Term endedJune 2, 2009
Patent numberCA 1302239 C
Classification (IPC)A01N25/10 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMay 11, 1988Patent grantedJune 2, 1992Term endedJune 2, 2009

Sources & verification

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