Patent Yard Sign in
Expired Canadian patentCanada

Substituted basic 2-aminotetralins

CA 1332834 C · Owner: Traber, Jorg · Inventors: Allen, George S.; Schohe, Rudolf; Traber, Jorg

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

For treatment of disorders of the central nervous system, the cardiovascular system or the intestinal tract the new substituted basic 2-aminotetralins of the formula in which, R1 represents hydrogen or alkyl R2 represents hydrogen, alkyl or acyl, and R3 represents quinuclidine or, a group of the formula -(CH2)a-R4, -CH2-CH=CH-(CH2)b-R4, -CH2-C?C-(CH2)b-R4 or , wherein, a denotes a number from 1 to 10 b denotes a number 0, 1, 2, 3 or 4, c denotes a number 0 1 or 2, d denotes a number 2 or 3, and X denotes oxygen, sulphur or NR5, and their salts.

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 November 1, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 1, 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.
FiledDecember 8, 1987
GrantedNovember 1, 1994
Term endedNovember 1, 2011
Patent numberCA 1332834 C
Classification (IPC)C07C217/74 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 8, 1987Patent grantedNov 1, 1994Term endedNov 1, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.