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Expired Canadian patentCanada

Cleansing composition for topical disinfection

CA 1332136 C · Owner: Kahn, Mohammed A. · Inventors: Moellmer, John F.; Kahn, Mohammed A.

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

A cleansing composition particularly useful as a surgical scrub includes chlorhexidine gluconate and a nonylphenoxypoly(ethyleneoxy)ethanol surfactant in an aqueous vehicle, and may contain other surfactants thickeners, emollients, dyes, perfumes and the like.

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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 September 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 18, 1989
GrantedSeptember 27, 1994
Term endedSeptember 27, 2011
Patent numberCA 1332136 C
Classification (IPC)C11D3/48

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedAug 18, 1989Patent grantedSep 27, 1994Term endedSep 27, 2011

Sources & verification

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