Enteric soft gelatin capsule containing esomeprazole and method of preparation
CA 2540105 A1 · Owner: Venkaiah Chowdary, Nannapaneni · Inventors: Podili, Khadgapathi; Venkaiah Chowdary, Nannapaneni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an improved pharmaceutical composition in , the form of a soft gel capsule resistant to digestive juice. The composition of the present invention is made up of gelatin and an enteric polymer in the form of free acid or its salt, containing used in the treatment of duodenal ulcers, solublised and / or suspended in a liquid or semisolid medium comprising the enantiomers of omeprazole such as esomeprazole or rabeprazole or other enantiomers of omeprazole or its salts or derivatives or their mixtures, a hydrophobic carrier, an alkaline inert reacting material and a surface active agent and / or a solublising agent wherein the resulting capsules being …
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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
- Filed September 25, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 2025.
- 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.