Detergent composition providing rinse cycle suds control
CA 1289844 C · Owner: Imakawa, Kazuhiko · Inventors: Crabtree, Paul J.; Imakawa, Kazuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Paul J. Crabtree, Kazuhiko Imakawa, ABSTRACT Detergent compositions comprising surfactant at least one, detergency builder, and a plurality of rinse cycle suds control prills comprising fatty acid soap, quaternary ammonium salt and, silicone fluid suds suppressor. The granular detergent compositions of this invention provide control of the level of suds on the surface of the water during the rinse cycle without interfering with the level of suds on the surface of the water during the wash cycle of laundering operations.
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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 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
- 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.