Anthracyclines
CA 1091225 A · Owner: Societa' Farmaceutici Italia S.P.A. · Inventors: Penco, Sergio; Angelucci, Francesco; Arcamone, Federico
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Daunorubicin (also known as daunomycin) derivatives of the formula, (I), wherein X is , or and R is -COCF3 or H, which are prepared by hydrogenating 9-desacetyl-9-keto-Ntrifluoroacetyldaunorubicin, an unexpectedly stable keyintermediate which is itself a new compound are useful in, treating certain mammalian tumours. The invention described herein was made in the course of work performed under a grant from the United States Department of Health, Education and Welfare.
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 December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
- 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.