Bridged catharanthus alkaloid dimers
CA 1114816 A · Owner: Eli Lilly And Company · Inventors: Conrad, Robert A.; Gerzon, Koert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Novel bridged vinca dimers in which two indole-dihydroindole C-3 carboxamides are linked through the nitrogen atom of a carboxamide group are described herein. These compounds are prepared by reacting the corresponding azide of an indoledihydroindole alkaloid with an appropriate diamine or triamine. The compounds are useful as oncolytic agents.
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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 December 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 1998.
- 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.