Saquinavir mesylate oral dosage form
CA 2531486 C · Owner: Infeld, Martin Howard · Inventors: Infeld, Martin Howard; Shah, Navnit Hargovindas; Zhang, Lin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solid unit oral pharmaceutical dosage form of saquinavir mesylate is provided comprising micronized saquinavir mesylate in an amount of from 250 mg to 800 mg calculated as free base, and a pharmaceutically acceptable binder disintegrant, and water soluble carrier. A solid unit dosage form of saquinavir mesylate is provided comprising from 60% to 80% micronized saquinavir mesylate based on the mesylate salt 4% to 8% water soluble binder, a disintegrant and a carrier wherein each percentage is of the kernel weight.
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
- Filed July 5, 2004 and granted October 2, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 5, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2026.
- 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.