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Expired Canadian patentCanada

Foamed cleanser with suspended particles, a method of producing same and a dispenser therefore

CA 2566153 C · Owner: Bowley, Elizabeth Ann · Inventors: Stonehouse, Kara Catherine; Grascha, Pierre Bruno; Bowley, Elizabeth Ann

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

One aspect of the invention is a new foam with particles suspended therein. Another aspect of the invention is a foaming component (15, 209, 220, 222) for use in association with a foam dispenser (10 70, 150,180, 200, 201, 205). The foaming component includes an air sparging element (34, 224, 236) a mixing chamber (32 210, 228) and an air chamber , (35, 226). The mixing chamber is on one side of the air sparging element and it defines a portion of the mixing chamber. The air chamber is on the other side of the air sparging element and it defines a portion of the air chamber. The air chamber (226) has an air inlet (230). The mixing chamber (228) has a liquid inlet (232) and an outlet …

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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 May 6, 2005 and granted January 14, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 6, 2025.
  • 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.
FiledMay 6, 2005
GrantedJanuary 14, 2014
Term endedMay 6, 2025
Patent numberCA 2566153 C
Classification (IPC)C11D17/04 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 6, 2005Patent grantedJan 14, 2014Term endedMay 6, 2025

Sources & verification

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