Patent Yard Sign in
Expired Canadian patentCanada

Epidermal cell extracts and method to enhance wound healing and regenerate epidermis

CA 1294875 C · Owner: Memorial Hospital For Cancer And Allied Diseases · Inventors: Eisinger, Magdalena

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Epidermal cells serve as source for a cell extract which speeds growth of epidermal cells in culture to form sheets and enhances healing of epithelium in vivo. The extracts demonstrate a cross-species effect.

Read the whole patent

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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 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.
FiledAugust 14, 1986
GrantedJanuary 28, 1992
Term endedJanuary 28, 2009
Patent numberCA 1294875 C
Classification (IPC)C07G99/00 +2 more

Sources & verification

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