Antitumor and antiviral compositions of marine origin
CA 1304359 C · Owner: Munro, Murray H.G. · Inventors: Blunt, John W.; Munro, Murray H.G.; Perry, Nigel B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to antitumor and antiviral compounds, a process of producing the compounds and a method for inhibiting tumors and viruses utilizing the compounds, and compositions containing the compounds. More particularly the, antitumor and antiviral compounds are derived from marine organisms, i.e. the marine sponge genus Mycale and are of general formula (I), (I) wherein R1-6 are the same or different and are a hydrogen, lower alkyl, or lower acyl; and R7-14 are the same or different and are single bonded hydrogen or hydroxy groups.
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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
- 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.