Detergent composition with fabric softening properties
CA 1329533 C · Owner: Foster, Francis Geoffrey · Inventors: Foster, Francis Geoffrey
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fabric treatment compositions comprises at least 10% soap as a fabric softener, especially an oleate/coconut soap, optionally a non-soap detergent active and up to 3% of a nonionic substituted cellulose ether having an HLB of 3.1 to 3.8 and a gel point of less than 58°C. A suitable such material is an ethyl hydroxyethyl substituted cellulose ether. Other fabric softening materials may also be present. The cellulose ether derivative improves the softening performance of such compositions.
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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- 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.