Patent Yard Sign in
Expired Canadian patentCanada

1-phenyl-3-benzazepines

CA 1263385 C · Owner: Ku, Thomas W. · Inventors: Ku, Thomas W.; Ormsbee, Herbert S. Iii; Bondinell, William E.

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

1-PHENYL-3-BENZAZEPINES, ABSBTRACT, 1-Phenyl-3-benzazepine compounds are useful in treating gastrointestinal motility disorders. A particular compound of this invention is 8-hydroxy-3-methyl-1phenyl-7-phenylthio-2,3,4,5-tetrahydro-1H-3-benzazepine.

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 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
  • 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 19, 1986
GrantedNovember 28, 1989
Term endedNovember 28, 2006
Patent numberCA 1263385 C
Classification (IPC)C07D223/16 +1 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedDec 19, 1986Patent grantedNov 28, 1989Term endedNov 28, 2006

Sources & verification

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