Method and composition for treatment and prevention of pseudofolliculitis barbae
CA 1309663 C · Owner: Perricone, Nicholas V. · Inventors: Perricone, Nicholas V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Treatment and prevention of pseudofolliculitis barbae ("razor bumps") is effected by topical application to beard areas of an alpha-hydroxy acid or derivative thereof, most preferably glycolic acid or glycolic acid derivatives, and most preferably as a component of a cosmetically acceptable lotion, cream, ointment soap, shaving foam, stick, gel or solution.
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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
- 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.