Hair treatment composition
CA 2309950 A1 · Owner: Bertolosso, Gerardo · Inventors: Mavropoulou, Maria; Bertolosso, Gerardo; Murray, Andrew Malcolm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides an aqueous hair treatment composition comprising in , addition to water: i) an amino functionalised silicone; and ii) emulsified particles of an insoluble, hydroxyl functionalised silicone. The composition is suitably formulated as a shampoo or conditioner. Compositions of the invention show superior conditioning and also superior selectivity in conditioning performance. The combination of emulsified hydroxyl functionalised silicone and amino functionalised silicone gives demonstrably improved targeting towards those areas of the hair such as the ends, where , conditioning is needed most.
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
- Filed November 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2020.
- 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.