Aqueous fabric softening composition
CA 1232710 A · Owner: Unilever Plc · Inventors: Butterworth, Robert M.; Martin, John R.; Willis, Edwin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aqueous fabric softening composition containing less than 10% cationic softener also includes an alkoxylated fatty alcohol, acid or ester having up to 7 alkylene oxide groups per molecule, such as ethoxylated tallow alcohol or iso-stearic acid at exemplified levels of 4.0 to 12.0% together with an electrolyte selected from ionic salts of lithium, magnesium calcium and, aluminium. The alkoxylated compound enhances the softening and anti-static properties of the composition.
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 February 16, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2005.
- 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.