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Expired Canadian patentCanada

Compositions having hair stimulating activity

CA 1320135 C · Owner: Crinos Industria Farmacobiologica S.P.A. · Inventors: Gazzani, Giovanni

CIPO record

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Abstract From the Canadian patent

The invention is concerned with a composition having hair stimulating activity, comprising an active mixture of 2-30% by weight heparin, 10-40% by weight heparan sulphate, 10-35% by weight dermatan sulphate 15-40% by weight chondroitin sulphate A and C 0-10% by, weight keratan sulphate, 0-17% by weight ialuronic acid, < 0.5% by weight nucleic acids, and < 5% by weight proteins, together with a cosmetically acceptable carrier.

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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 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 23, 1988
GrantedJuly 13, 1993
Term endedJuly 13, 2010
Patent numberCA 1320135 C
Classification (IPC)A61K8/98 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJune 23, 1988Patent grantedJuly 13, 1993Term endedJuly 13, 2010

Sources & verification

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