Oil-water (or water-oil) emulsion with spherical synthetic polymer particles
CA 1102245 A · Owner: Beecham Group Limited · Inventors: Ford, David; Elliott, Thomas J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A skin treatment product is disclosed which comprises an unpigmented oil-in-water (or water-in-oil) emulsion wherein the oil is a cosmetically acceptable volatile organic liquid present in an amount of from 1 to 30% by weight of the emulsion said emulsion having dispersed, therein from 3 to 10% by weight of substantially spherical polymer or copolymer particles having an average particle size in the range 5 to 15 microns.
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 June 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 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.