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Expired Canadian patentCanada

2-thiazolidinone derivatives, pharmaceutical compositions containing them and process for preparing same

CA 1332419 C · Owner: Domany, Gyorgy · Inventors: Szporny, Laszlo; Saghy, Katalin; Harsanyi, Kalman

CIPO record

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Abstract From the Canadian patent

The present invention relates to novel 2thiazolidinone derivatives of the general formula: (I), wherein A stands for hydrogen, halogen or a C1-4 alkyl C1-4 alkoxy or nitro group: and n is 0 or 1. The compounds according to the invention exhibit cytoprotective and gastric acid secretion-inhibiting activity and may thus, be used in the therapy of gastric and duodenal ulcers. Processes for preparing the thiazolidinone derivatives (I) are also described, as well as pharmaceutical compositions containing them.

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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 October 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 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 7, 1988
GrantedOctober 11, 1994
Term endedOctober 11, 2011
Patent numberCA 1332419 C
Classification (IPC)C07D277/14 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedDec 7, 1988Patent grantedOct 11, 1994Term endedOct 11, 2011

Sources & verification

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