Medicament for the treatment of virus infections
CA 1286991 C · Owner: Astra Lakemedel Aktiebolag · Inventors: Oberg, Bo Fredrik; Eriksson, Bertil Frank Harald; Johansson, Karl Nils Gunnar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Use of a compound of the formula wherein Base is thymine, Cytosine, adenine or guanine or a physio-, logically acceptable salt thereof for therapeutic or prophylactic, control or treatment of retrovirus infections including HIV, and, hepatitis B virus infections and to a method for such treatment especially for AIDS.
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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
- 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.