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Expired Canadian patentCanada

Use of pyridoxine derivatives in the prevention and treatment of hyperlipidaemia and athersclerosis

CA 1340246 C · Owner: Steigerwald Arzneimittelwerk Gmbh · Inventors: Speck, Ulrich

CIPO record

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Abstract From the Canadian patent

A description is given of the use of pyridoxine derivatives and salts thereof, more particularly pyridoxal pyridoxal, phosphate, pyridoxamine and pyridoxamine phosphate in the, prevention and treatment of hyperlipidaemia and atherosclerosis. This excludes pyridoxine-5'-phosphoric acid ester glutamate and aspartate which are described in DE 24 61 742 C2. The resulting substances are natural well, tolerated, with a clearly defined chemical composition sufficiently stable, and effective in long-term treatment. The buccal application form and the form resistant to gastric juice are especially advantageous.

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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 December 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 18, 1988
GrantedDecember 15, 1998
Term endedDecember 15, 2015
Patent numberCA 1340246 C
Classification (IPC)C07D213/67 +2 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedFeb 18, 1988Patent grantedDec 15, 1998Term endedDec 15, 2015

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