16,17-acetalsubstituted pregnane 21-oic acid derivatives
CA 1318664 C · Owner: Thalen, Bror Arne · Inventors: Axelsson, Bengt Ingenar; Andersson, Paul Hakan; Brattsand, Ralph Lennart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention refers to compounds having activity against inflammatory, allergic, and dermatological conditions. The compounds are characterized by the formula (I), or a stereoisomeric component thereof in which formula, R1 is selected from a straight or branched hydrocarbon chain having 1-4 carbon atoms. The invention also refers to processes for the preparation of these compounds, pharmaceutical preparations containing one of the compounds and a method for the treatment of inflammatory aller-, gic, muscoskeletal and dermatological conditions.
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 June 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- 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.