Base addition salts of omeprazole
CA 1264751 C · Owner: Brandstrom, Arne Elof · Inventors: Brandstrom, Arne Elof
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
23940-461, Abstract, There are disclosed novel salts of the compound known under the generic name omeprazole, having the formula (i), with Li+ , Na+ , K+ , Mg2+ , Ca2+ Ti4+, N+(R1)4 or , as cation, process for preparation thereof and pharmaceutical compositions containing such salts. The salts which exhibit improved storage stability than the neutral form of omeprazole are useful for inhibiting gastric acid secretion and for providing gastrointestinal cytoprotective effects in mammals and man.
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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 January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 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.
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.