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Expired Canadian patentCanada

Pharmaceutical compositions and methods for inhibition of maillard's reaction

CA 2029420 C · Owner: Inoue, Jun · Inventors: Inoue, Jun

CIPO record

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

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Abstract From the Canadian patent

Presented are pharmaceutical compositions comprising in admixture with a carrier a compound of the formula: (see formula I), wherein R1, R2 and R3 independently of one another denote hydrogen or methyl or a pharmaceutically acceptable salt thereof. The compositions are used to inhibit Maillard's reaction in the human body the reaction which may be, responsible for the development of diabetic complications and age associated disorders. Methods of treatment and prophylaxis of such complications and disorders are also presented.

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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

  • Filed November 7, 1990 and granted September 19, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 7, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 7, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 7, 1990
GrantedSeptember 19, 2000
Term endedNovember 7, 2010
Patent numberCA 2029420 C
Classification (IPC)A61K31/66 +1 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedNov 7, 1990Patent grantedSep 19, 2000Term endedNov 7, 2010

Sources & verification

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