Cosmetic compositions with reduced tack
CA 2498478 A1 · Owner: Crook, Teresa Barbara · Inventors: Crook, Teresa Barbara; Deckner, George Endel; Stephens, Alison Fiona
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cosmetic compositions in the form of oil-in-water emulsions are provided that comprise high levels of water-soluble skin benefit agents. The compositions herein have reduced tack that is associated with high levels of water-soluble skin benefit agents. The cosmetic compositions comprise cross-linked copolymers that reduce the tack associated with such compositions the cross-, linked co-polymer comprising: i) from 35 % to 94.5 % water-soluble anionic acrylic monomers by weight of the cross-linked co-polymer; ii) from 5 % to 65 % water-soluble non-ionic acrylate monomers by weight of the cross-linked copolymer; and iii) from 0.005 % to 0.5 % bifunctional monomeric crosslinking agent by …
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 September 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2025.
- 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.