14-acyloxy-2'-halo-anthracycline anti-cancer antibiotics
CA 1209130 A · Owner: Ohio State University Research Foundation · Inventors: Horton, Derek; Priebe, Waldemar; Wolgemuth, Richard L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
14-Acyloxy-2'-Halo-Anthracycline, Anti-Cancer Antibiotics ABSTRACT OF THE DISCLOSURE, Compounds of the formula (I) and pharmaceutical preparations containing the same are disclosed, wherein R1 is -OOCR3 or -OOC(CH2)nCOOR4; R2 is hydrogen, hydroxy or methoxy; one of X and X' is a halogen atom selected from the group consisting of fluorine, chlorine, bromine and iodine and the other is hydrogen; one of Y and Y' is hydrogen and the other is selected from the group consisting of hydrogen, hydroxy and acyloxy; one of Z and Z' is hydrogen and the other is selected from the group consisting of hydrogen, hydroxy and acyloxy; R3 is an alkyl group containing 1 to 8 carbon atoms; R4 is a hydrogen …
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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 August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2003.
- 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.