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Expired Canadian patentCanada

Liquid detergent compositions and their use

CA 2589983 C · Owner: Ranade, Vidyadhar Sudhir · Inventors: Veugelers, Marcel Henricus Gerardus; Ranade, Vidyadhar Sudhir

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

A substantially non-aqueous liquid detergent composition which comprises: (a) perfume microcapsules; (b) no more than 20% preferably no more than 15%, still more preferably no more than 10% by weight of water; (c) from 10% to 70%, preferably from 20% to 60% by weight of water-miscible organic solvent having a molecular weight greater than 70; and (d) from 30% to 90% preferably , from 40% to 80% by weight of one or more components comprising alkyl or alkenyl chains having more than 6 carbon atoms.

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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 November 7, 2005 and granted June 5, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 7, 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.
FiledNovember 7, 2005
GrantedJune 5, 2012
Term endedNovember 7, 2025
Patent numberCA 2589983 C
Classification (IPC)C11D17/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 7, 2005Patent grantedJune 5, 2012Term endedNov 7, 2025

Sources & verification

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