3'-azido-2', 3'-dideoxyuridine anti-retroviral composition
CA 1313498 C · Owner: Chu, Chung Kwang · Inventors: Chu, Chung Kwang; Schinazi, Raymond Felix
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
3'-AZIDO-2',3'-DIDEOXYURIDINE ANTI-RETROVIRAL COMPOSITION, Abstract, Compositions for the treatment of AIDS and ARC having the following compound as an active ingredient: where R1 is OH, monophosphate, diphosphate or, triphosphate; or a pharmacologically acceptable salt thereof. The primary advantage of this compound is its highly selective anti-retroviral activity i.e. it, significantly decreases viral replication as measured as reverse transcriptase activity while demonstrating orders of magnitude less cytotoxicity than other antiviral compounds such as AZT. In a preferred embodiment the compound is, present in an amount sufficient to inhibit the HIV reverse transcriptase activity but not …
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
- Granted February 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2010.
- 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.