Phenylethanolamines
CA 1077488 A · Owner: Pharmacia As · Inventors: Hedegaard, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Phenyletnanolamines of the general formula I I, wherein R is substituted phenyl or optionally substituted furyl, thienyl, or pyridyl, R5 is hydrogen lower alkyl, or optionally substituted benzyl R4, R6, R8, and R9 each, are hydrogen or lower alkyl R7 is hydrogen, halogen, or, lower alkyl Q is -CO- or -CH2-, and L is hydrogen or lower alkylcarbonyl, and enantiomers, diastereoisomers and salts thereof; also, process for preparing the compounds. The compounds have useful pharmacological properties due, to their affinity to .beta.-adrenergic receptors. Bronchospasmolytic effect due to the .beta.2-adrenergic stimulating capacity has been found.
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 May 13, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 1997.
- 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.