Synthetic polymer particles in aqueous alcoholic skin care lotions
CA 1106289 A · Owner: Beecham Group Limited · Inventors: Elliott, Thomas J.; Ford, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A skin care product such as a cleansing lotion or preor aftershave lotion comprising ethanol water, spherical, polymer or copolymer microspheres e.g. of polyethylene, polystyrene or polymethylmethacrylate and a suspending, agent for the microspheres. The ethanol:water weight ratio is in the range 1:19 to 19:1 and the microspheres which, may be sized from 5 to 7 microns amount to 3 to 10% by, weight of the product. The microspheres have a smoothing and matting effect on the skin, improving the observed degreasing effect of the product.
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 August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
- 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.