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Expired Canadian patentCanada

Pharmaceutical composition for the treatment of skin wounds

CA 1332353 C · Owner: Hanada, Yasunobu · Inventors: Nakamura, Shingo; Hanada, Yosunobu; Hanada, Yasunobu

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A pharmaceutical composition for the external treatment of skin wounds comprising 2 to 40 percent of the total weight of the composition of a mono- or disaccharide fatty acid ester and a prophylactively effective amount of an antiinfective agent.

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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 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 2011.
  • 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 15, 1989
GrantedOctober 11, 1994
Term endedOctober 11, 2011
Patent numberCA 1332353 C
Classification (IPC)A61K31/70 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMay 15, 1989Patent grantedOct 11, 1994Term endedOct 11, 2011

Sources & verification

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