Fabric softening composition
CA 1192354 A · Owner: Colgate-Palmolive Company · Inventors: Jacques, Alain; Grandmaire, Jean-Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved fabric softening composition is provided by the synergistic combination of a cationic softening agent and a higher alkyl sulfonate. The preferred cationic compounds are the water-soluble or dispersible (a) dilongchain alkyl - di-shortchain alkyl quaternary ammonium salts and (b) 2-longchain alkyl imidazolinium salts. The preferred alkyl (i.e. paraffin) sulfonates are the C14 to C22 paraffin sulfonates. The preferred ratio of cationic compound to paraffin sulfonate ranges from 5:1 to 12:1 on a weight basis. The preferred form of the composition is as an aqueous dispersion containing from 2 to 5 % by weight of cationic compound and 0.2 to 1 % paraffin sulfonate. A process for …
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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 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.