Esters of 9-(2-hydroxyethoxymethyl)guanine having antiviral properties
CA 1340083 C · Owner: Krenitsky, Thomas A. · Inventors: Beauchamp, Lilia Marie
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 certain amino acid esters of the purine nucleoside acyclovir, pharmaceutically acceptable salts thereof and their use in the treatment and prophylaxis of herpes virus infections. The invention also includes pharmaceutical formulations and processes for the preparation of such compounds.
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 October 13, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2015.
- 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.