Agents for preserving or restoring the soundness of the skin
CA 1331140 C · Owner: Janssen Pharmaceutica, Naamloze Vennootschap · Inventors: De Brabander, Marc J.; Cauwenbergh, Gerard F. M. J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Agents for preserving or restoring the soundness of the skin by administering a serotonin antagonist which in particular is a compound of formula (I), a salt or a stereoisomeric forms thereof; wherein Q is (a) or , (b), and R1 is -X-Ar (c), (d) or (e), the agent of formula (I) preferably being ketanserin.
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 August 2, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 2, 2011.
- 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.