Fabric softening composition
CA 1192003 A · Owner: Unilever Plc · Inventors: Willis, Edwin; Parslow, Michael W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fabric softening composition comprises an aqueous base, a cationic fabric softener and up to about 10% lanolin. The cationic softener and lanolin are preferably in the ratio of 20:1 to 1:20 and the level of cationic softener in the composition may be from 0.5% to 30%. Other conventional fabric softening composition ingredients may be present. The lanolin may be replaced by a lanolinlike material such as derivatives thereof or one or more of the active constituents of lanolin either extracted therefrom or derived from other sources. The presence of lanolin in the composition improves the viscosity and performance thereof.
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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 August 20, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2002.
- 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.