Gossypol derivatives
CA 1323028 C · Owner: Research Corporation · Inventors: Vander Jagt, David L.; Royer, Robert E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a compound of the formula:, wherein R1 is C?N or COR3; and R2 is alkyl alkenyl, alkynyl, or acyl, wherein R3 is hydrogen alkyl, alkenyl, alkynyl, hydroxy, amino or alkoxy R4 is hydrogen, alkyl or acyl; and, n is the integer 1 or 2. The compound is useful in the treatment of malaria and viral disease.
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 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 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.