Composition for softening fabrics
CA 1340946 C · Owner: The Sun Products Corporation · Inventors: Evans, David George; Bortolotti, Fabrizio; Kenyon, Ian Roger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A particulate composition useful in the softening of fabrics from a wash liquor, the composition comprising a fabric softening clay material and a nonionic surfactant system which consists of one or more nonionic surfactants wherein the nonionic surfactant system exists as a cloudy phase, at 1% concentration in water, somewhere in the range of 0°C to 80°C, the weight ratio of the clay to the nonionic surfactant system is from 2:3 to 20:1 and the, moisture content of the composition as measured by the, water loss at 135°C is from 7.5% to 12% by weight.
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 April 4, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2017.
- 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.