Patent Yard Sign in
Expired Canadian patentCanada

Penicillium transformants and methods for their production

CA 1340333 C · Owner: Gist - Brocades N.V. · Inventors: Martin, Juan Francisco; Cantoral, Jesus Manuel; Alvarez, Emilio

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

Novel and efficient methods for preparing Penicillium transformants are provided employing DNA constructs having a structural gene complementing an auxotrophic host and, preferably, the ans gene. Conditions are provided for frequency of transformation.

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 26, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 16, 1987
GrantedJanuary 26, 1999
Term endedJanuary 26, 2016
Patent numberCA 1340333 C
Classification (IPC)C12N15/81 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006200920122015Application filedSep 16, 1987Patent grantedJan 26, 1999Term endedJan 26, 2016

Sources & verification

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