Patent Yard Sign in
Expired Canadian patentCanada

Isolation of a novel interferon gene and expression thereof

CA 1340674 C · Owner: Bollon, Arthur Peter · Inventors: Torczynski, Richard Michael; Fuke, Motohiro; Bollon, Arthur Peter

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

A novel mature human alpha-interferon gene is isolated from a human genomic library, said gene is sequenced inserted, into a recombinant expression vector be recombinant DNA techniques and is thereafter used to transform bacteria which then express the gene as determined by the presence of interferon activity. This gene is a human alpha-interferon WA gene or WA-M gene or a fragment thereof. The invention includes a recombinant DNA vector containing the gene and proteins produced by expressing the gene.

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 July 27, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 27, 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.
FiledFebruary 8, 1985
GrantedJuly 27, 1999
Term endedJuly 27, 2016
Patent numberCA 1340674 C
Classification (IPC)C12N15/21 +2 more

Timeline

Timeline From CIPO dates

19861990199419982002200620102014Application filedFeb 8, 1985Patent grantedJuly 27, 1999Term endedJuly 27, 2016

Sources & verification

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