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Expired Canadian patentCanada

Disinfectant polymeric coatings for hard surfaces

CA 1323298 C · Owner: Oakes, Thomas R. · 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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 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.
FiledDecember 31, 1987
GrantedOctober 19, 1993
Term endedOctober 19, 2010
Patent numberCA 1323298 C
Classification (IPC)A01N25/02 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 31, 1987Patent grantedOct 19, 1993Term endedOct 19, 2010

Sources & verification

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