Detergent compositions
CA 1320020 C · Owner: Kenyon, Ian Rogers · Inventors: Kenyon, Ian Rogers; Taylor, Thomas; Russell, Peter John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A particulate composition for softening textile fabrics in the wash comprises:, (a) from 5 to 30% by weight of a primary secondary or, tertiary amine capable of softening fabrics sorbed, onto, (b) from 70 to 95% by weight of a particulate carrier comprising a porous crystal-growth-modified carbonate-based salt. The preferred particulate carrier is the sodium carbonate/sodium sulphate double salt Burkeite modified by means of a polymeric polycarboxylate. The softening composition may be incorporated in a detergent powder suitably in an amount providing from 0.5 to 15% by weight of amine in the total powder.
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
- Granted July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- 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.