Patent Yard Sign in
Expired Canadian patentCanada

Fluidized magaldrate suspension

CA 1252045 A · Owner: American Home Products Corporation · Inventors: Wu, Chien-Chin; Reuter, Gerald L.

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

An aqueous antacid composition of magaldrate gel and a process for preparing same are described by the invention. The composition is prepared from and contains precipitated and undried magaldrate gel and a fluidizing of a first and second fluidizer. On fluidizer is provided by an aluminum hydroxide gel having colloidal properties and the second by a pharmaceutically acceptable citrate ion source including citric acid. The process and composition are characterized in providing a fluid, resuspendible pharmaceutically elegant, suspension possessing high antacid capacity and stability at even elevated magaldrate concentrations in addition to the ability to fluidize stiff paste-like, magaldrate …

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 April 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2006.
  • 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 17, 1985
GrantedApril 4, 1989
Term endedApril 4, 2006
Patent numberCA 1252045 A
Classification (IPC)A61K33/08 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedOct 17, 1985Patent grantedApril 4, 1989Term endedApril 4, 2006

Sources & verification

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