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Expired Canadian patentCanada

Method and agents for inhibiting protein aging

CA 1294218 C · Owner: Ulrich, Peter · Inventors: Ulrich, Peter; Cerami, Anthony; Brownlee, Michael

CIPO record

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Abstract From the Canadian patent

The present invention relates to compositions and methods for inhibiting protein aging. Accordingly a composition, is disclosed which comprises an agent or compound capable of inhibiting the formation of advanced glycosylation end products of target proteins by reacting with the carbonyl moiety of the early glycosylation product of such target proteins formed by their initial glycosylation. Suitable agents may contain an active nitrogen-containing group such as a hydrazine group, and may further be at least partially derived from amino acids. Particular agents comprise aminoguanidine, .alpha.-hydrazinohistidine and lysine. The method comprises contacting the target protein with the …

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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 January 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 14, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 30, 1986
GrantedJanuary 14, 1992
Term endedJanuary 14, 2009
Patent numberCA 1294218 C
Classification (IPC)A61K31/55 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 30, 1986Patent grantedJan 14, 1992Term endedJan 14, 2009

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