Natural look cosmetic compositions
CA 2300179 C · Owner: Color Access, Inc. · Inventors: Painter, Rachel J.; Cohen, Isaac D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a composition for topical application to the skin comprising: (a) silica beads comprising an inner core of silica a middle , layer of metal oxide, and an outer layer of silica; (b) at least one interference pigment; and optionally, (c) at least one non-interference pigment, in a cosmetically or pharmaceutically acceptable vehicle. The compositions of the invention confer a natural appearance to the skin also , reducing the appearance of flaws or defects in the skin without conferring an opaque or made-up appearance.
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 June 10, 1999 and granted March 25, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2021.
- 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.