Substance, composition of matter and method of using same
CA 1297108 C · Owner: Arizona Board Of Regents · Inventors: Pettit, George R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new antineoplastic substance denominated "pancratistatin", Methods of isolating natural and synthetic pancratistatin and 7-deoxynarciclasine and the pharmaceutically acceptable derivatives thereof to make a pharmaceutical preparation therefrom and methods for treating a host afflicted with a neoplasm with said preparations. Substances suitable for use in the present invention have a structure selected from the group consisting of:, and, wherein R is H CH3 or COX; and Rl, R2, R3 and R4, independently are H or COX, wherein X is Cl-20alkyl, C2-20alkenyl C9-12aryl, or a heterocyclic selected, from thiazoyl thiophenoyl, pyridoyl, pyrimidoyl and, furoyl.
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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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.