Patent Yard Sign in
Expired Canadian patentCanada

Method for the preparation of feed premix in compositions of maduramicin

CA 1332797 C · Owner: American Cyanamid Company · Inventors: Klothen, Irving; Toothill, Richard B.; Schaaf, Mimi Y.

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 method for the preparation of feed premix compositions of the antibiotic maduramicin which have improved stability of the antibiotic at elevated temperatures and the stable feed premix compositions prepared thereby.

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 November 1, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 1, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 10, 1988
GrantedNovember 1, 1994
Term endedNovember 1, 2011
Patent numberCA 1332797 C
Classification (IPC)A23K20/19

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMay 10, 1988Patent grantedNov 1, 1994Term endedNov 1, 2011

Sources & verification

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