Extended release pharmaceutical compositions containing beta-lactam antibiotics
CA 2435305 A1 · Owner: Nannapaneni, Venkaiah Chowdary · Inventors: Nannapaneni, Venkaiah Chowdary; Pendyala, Rama Rao; Khadgapathi, Podili
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention disclosed in this application relates to an extended release oral pharmaceutical composition containing at least one .beta.-lactam antibiotic intended for releasing the drug over an extended period upon administration. The pharmaceutical composition is useful for maintaining the desired the therapeutic concentration of active ingredient in blood for extended time periods thus meeting the requirements for effective management of infectious diseases. The pharmaceutical composition is either in the form of a tablet, capsule or dry syrup for reconstitution at the time of administration, releasing the active ingredient as initial dose and maintenance dose at a specific …
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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 January 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2024.
- 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.