Use of at least a fatty ester for preparing a composition designed to inhibit 5 alpha reductase activity, in pharmacology, in particular dermatology, in cosmetics and as food additive
CA 2397987 C · Owner: Legrand, Jacques · Inventors: Legrand, Jacques; Piccirilli, Antoine; Msika, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns the use of at least a fatty ester for preparing a composition designed to inhibit 5.alpha.-reductase activity. Said use produces a remarkable inhibiting effect of 5.alpha.-reductase thereby providing a novel response for treating dermatological pathologies and/or disorders related to congenital or acquired exaggeration of 5.alpha.-reductase activity in particular for treating prostatic hypertrophy prostatic adenoma, acne, hyperseborrhea alopecia and hirsutism. The invention also concerns cosmetic treatment methods in particular for greasy skin, and the use of said fatty esters as additives in a food product for human and/or animal consumption. More particularly the …
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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 January 18, 2001 and granted May 21, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 18, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 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.