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Expired Canadian patentCanada

Method and compositions comprising a vitamin d derivative for the local treatment of bone fractures

CA 1289882 C · Owner: Lidor, Cobi · Inventors: Lidor, Cobi; Meyer, Michael S.; Edelstein, Samuel

CIPO record

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Abstract From the Canadian patent

A method for the treatment and promotion of healing of bone fractures and osteotomies in warm-blooded animals including humans, which comprises local application to the site of the fracture or osteotomy of a therapeutically effective amount of 24,25(OH)2D3 dissolved or dispersed in a suitable physiologically compatible carrier. There are also provided for use in the above, method, compositions comprising from 0.002 to 0.2% by weight of 24,25(OH)2D3 in combination with a physiologically compatible vehicle suitable for use in orthopedic surgery for local application to a site of bone fracture or osteotomy, or for application to solid or semi-solid implants conventional in orthopedic surgery …

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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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 14, 1986
GrantedOctober 1, 1991
Term endedOctober 1, 2008
Patent numberCA 1289882 C
Classification (IPC)A61K31/59 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMarch 14, 1986Patent grantedOct 1, 1991Term endedOct 1, 2008

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