Antiviral and anti-tumor cyclohexadienone compositions
CA 1257281 A · Owner: Harbor Branch Oceanographic Institution, Inc. · Inventors: Snader, Kenneth M.; Higa, Tatsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antitumor compounds and compositions may be used to treat cancerous cachexia caused by the presence of a tumor in a host; the compounds have the formula:, wherein R is:, wherein X1 is =O or =S x2 is -H, -R3, -SR3 or halo-, gen, Y is -O- or -S- R1 is -R3, R2 is -H or -R3, R3, is lower alkyl and n is an integer from 1 to 5.
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 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 11, 2006.
- 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.