Aglycones and processes for their preparation
CA 1099707 A · Owner: Societa' Farmaceutici Italia S.P.A. · Inventors: Suarato, Antonino; Masi, Paolo; Bernardi, Luigi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention discloses novel aglycone compounds of the formula II, (II), wherein R1 is a lower alkyl group having 1 to 4 carbon atoms and processes for their manufacture. These novel daunomycinone derivatives are useful in the preparation of novel daunomycin derivatives which are useful in treating certain mammalian tumors.
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 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.