Patent Yard Sign in
Expired Canadian patentCanada

Antigestagens, glucocorticoids and prostaglandins for induction of labor or for termination of pregnancy

CA 1270439 C · Owner: Schering Aktiengesellschaft · Inventors: Elger, Walter; Beier, Sybille

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

Combination products containing one antigestagen one gluco-, corticoid and one prostaglandin are suitable for joint use in inducing labor and terminating pregnancy.

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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 21, 1985
GrantedJune 19, 1990
Term endedJune 19, 2007
Patent numberCA 1270439 C
Classification (IPC)A61K31/57

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedOct 21, 1985Patent grantedJune 19, 1990Term endedJune 19, 2007

Sources & verification

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