Antitumor and antiviral alkaloids
CA 1340513 C · Owner: Harbor Branch Oceanographic Institution, Inc. · Inventors: Cross, Sue S.; Gunasekera, Sarath P.
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 alkaloid compositions, a process of producing the compositions and a method for inhibiting tumors and viruses utilizing the compositions. More particularly the compositions are antitumor and antiviral bis-indole alkaloids which are derived from marine organisms i.e. the marine sponge genus Spongosorites.
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 April 27, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2016.
- 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.