Cosmetic and pharmaceutical compositions and methods using 2-decarboxy-2-phosphinico derivatives
CA 2401888 A1 · Owner: Youngquist, Robert Scott · Inventors: Youngquist, Robert Scott; Delong, Mitchell Anthony; Mciver, John Mcmillan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for treating hair loss in mammals uses compositions containing 2decarboxy-2-phosphinico prostaglandin derivatives. The compositions can be applied topically to the skin. The compositions can arrest hair loss reverse , hair loss, and promote hair growth. Compositions containing 2-decarboxy-2phosphinico prostaglandin derivatives can also be used to lower intraocular pressure and treat bone disorders.
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 March 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2023.
- 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.