Storage-stable and bio-stable formulations of ace inhibitors, and methods for preparation thereof
CA 2515745 C · Owner: Spireas, Spiridon · Inventors: Spireas, Spiridon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides storage-stable and bio-stable formulations of ACE inhibitors, especially enalapril maleate and quinapril hydrochloride that , can be manufactured in a time efficient and cost effective manner. Such formulations can be prepared simply and on a large industrial scale using conventional methods and equipment. The present invention also provides methods for the preparation of highly manufacturable storage-stable and bio-, stable formulations of ACE inhibitors especially enalapril maleate and , quinapril hydrochloride. Methods for treatment of cardiovascular disorders using storage-stable and bio-stable formulations of ACE inhibitors especially , enalapril …
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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 December 5, 2003 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 5, 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
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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.