Sunscreen having disappearing color
CA 2272817 A1 · Owner: Beasley, Donathan G. · Inventors: Elliott, Brad; Meyer, Thomas A.; Mcshane, James E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A colored sunscreen emulsion which enables the user to more effectively protect against skin damage by facilitating more complete and, uniform coverage of the sunscreen on the skin comprises:, a) at least one particulate ultramarine pigment that imparts a color other than white to the sunscreen emulsion in amounts such that when the, sunscreen emulsion is rubbed into the skin the color substantially, disappears;, b) at least one sunscreen active agent in an amount effective to protect skin against the actinic radiation of the sun; c) at least one emulsifier;, d) sufficient water to form the colored emulsion; and e) optionally, one or more ingredients from one or more of the following …
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 May 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 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.