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Expired Canadian patentCanada

Andreogen agent for application to the skin for body hair growth and enhancement of vitality in males

CA 1256380 A · Owner: Oshima, Yoshiaki · Inventors: Oshima, Yoshiaki

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

An androgen agent consisting essentially of androgen adrenocortical hormone, and vitamin B2 of very low concentrations in an ointment base is very effective for the growth of hair on human bodies and increasing vitality in males with no skin inflammation without accumulation in cutaneous tissue and with no adverse side effects.

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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 June 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 27, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 4, 1985
GrantedJune 27, 1989
Term endedJune 27, 2006
Patent numberCA 1256380 A
Classification (IPC)A61K31/56 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedDec 4, 1985Patent grantedJune 27, 1989Term endedJune 27, 2006

Sources & verification

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