1-aryloxy-4-amino-2-butanols
CA 1077474 A · Owner: Lunsford, Carl D. · Inventors: Chen, Ying-Ho; Lunsford, Carl D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel 1-aryloxy-4-amino-2-butanols of the formula ArO-CH2-CHOH-CH2CH2-NR1R2, wherein Ar is 1-naphthyl 2-naphthyl, indene-4(or 5-)yl, 3-(or 5-)chloro-2-pyridyl phenyl, monosubstituted phenyl, or di-substituted phenyl R1 is lower alkyl, phenyl, phenyl-, alkyl 2-hydroxymethyl-2-propyl, adamantyl or lower cycloalkyl R2 is hydrogen or lower alkyl, wherein R1 and R2 together with the adjacent nitrogen form a heterocyclic residue and the pharmaceutically acceptable acid addition salts thereof having local anesthetic, alpha-adrenergic blocking beta-adrenergic, blocking and antiarrhythmic properties are disclosed. The compounds are prepared by reacting novel 1-aryloxy-4-chloro- 2-butanols with …
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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
- 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.