Essentially pure polyalcohol aluminum complexes and their preparation
CA 1287627 C · Owner: Maron, Antonina · Inventors: Wright, Arthur P.G.; Schenck, Terry G.; Wen, Betty P.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Essentially pure polyalcohol aluminum complexes useful as antacids are prepared by first reacting a polyalcohol with an aluminum alkoxide under anhydrous conditions to form an intermediate and further reacting the intermediate with water. CG1E5002.TXT 01
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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.