Aqueous detergent compositions and methods of forming them
CA 1309313 C · Owner: Buytenhek, Cornelis Johannes · Inventors: Naik, Appaya Raghunath; Buytenhek, Cornelis Johannes; Van De Pas, Johannes Cornelis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A structured aqueous detergent composition containing detergent-active material in the form of at least one detergent-active component and at least one electrolyte and having the following phases:, (a) an isotropic aqueous solution forming a continuous phase;, (b) distributed and suspended in said solution (a) discrete units of one or more non-networkforming phases, each selected from the following:, (i) solid particles containing detergentactive material, (ii) lyotropic liquid crystals containing detergent-active material; and, (iii) non-encapsulated liquid droplets containing detergent-active material, (c) one or more suspending phases which cause the composition to be structured so as to …
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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 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.