Low phosphate automatic dishwashing detergent composition
CA 2613758 C · Owner: Song, Xinbei · Inventors: Song, Xinbei; Song, Brian Xiaoqing
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a granular automatic dishwashing detergent composition with a density above 0.9 g/cm3 the composition comprising from , 0.1 to 20 wt% of a polymer dispersant such as a polyacrylate, from 5 to 80 , wt% of carbonate salts from 0 to 20 wt% of phosphated builders the , composition being free of bicarbonate.
Read the whole patent
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 June 30, 2006 and granted October 16, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 30, 2026.
- 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.
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.