Pharmaceutical preparations for topical application, processes for theirmanufacture, and their use
CA 1305423 C · Owner: Ciba-Geigy Ag · Inventors: Bottcher, Irmgard; Pignat, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
4-15923/-, Novel pharmaceutical preparations for topical application, processes for their preparation and their use, Abstract, Pharmaceutical preparations for topical i.e. dermal, application that contain as active ingredient a compound of the formula I, (I), especially 2-hydroxy-5-(RS)-1-hydroxy-2-(RS)-1- (p-methoxyphenyl)-prop-2-yl-amino-ethyl-formanilide (formoterol), or one of its pharmaceutically acceptable salts, especially its semifumarate, are proposed for the treatment of inflammatory skin diseases.
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 July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 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.