Method and process for producing youthful-appearing, small-pored, and smooth skin
CA 2472450 A1 · Owner: Parsons, Diana J. · Inventors: Parsons, Diana J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method and process for producing youthful appearing small-pored, and , smooth skin comprises pretreating the skin topically with retinoic acid applying a contaminate in oil to the skin and removing the contaminate by , exploding or rupturing it with laser light. When treating the face removing , the contaminate requires only about 4 minutes. The laser light itself does not injure the skin but the rupture of the contaminant produces thermal injury in the high dermis leaving the epidermis intact. Repeated intermittent laser treatments and applications of topical retinoic acid produces the desired results in the skin indefinitely as long as the treatments and applications are …
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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 August 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 2024.
- 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.