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Expired Canadian patentCanada

Method for inhibiting aging

CA 1305669 C · Owner: California Health Technologies · Inventors: Lippman, Richard D.

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract of the Disclosure Methods and compositions are provided for retarding aging, i.e. inhibiting damage to human cells caused by toxic byproducts of oxygen metabolism. The anti-aging active ingredient is a compound or mixture of compounds represented by the following structural formula: (I), wherein, m is 0, 1 or 2;, n is 0 or 1; R1 is hydrogen, halogen or hydroxy; and R2 and R3 each independently represent hydrogen or methyl provided that when m is 0, n is 0 and when m is 1 or 2, n is 1 and R1 is hydroxy or halogen and that when m is 2, each R2 can be the same or different and each R3 can be the same or different or a pharmaceutically acceptable alkali or alkaline earth metal salt …

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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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 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.
FiledMay 5, 1987
GrantedJuly 28, 1992
Term endedJuly 28, 2009
Patent numberCA 1305669 C
Classification (IPC)A61K31/05 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 5, 1987Patent grantedJuly 28, 1992Term endedJuly 28, 2009

Sources & verification

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