4-imino-1,3-diazabicyclo-(3.1.0) hexan-2-one
CA 1069125 A · Owner: Boehringer Mannheim G.M.B.H. · Inventors: Steingross, Wolfgang; Kampe, Wolfgang; Bicker, Uwe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
4-Imino-1,3-diazabicyclo3.1.0hexan-2-one a new compound which is cancerostatically effective and at the same time does not impair the body's inherent immune mechanism; the new compound is thus useful in the treatment of cancer; the new compound can be represented by different tautomeric structural formulae including:, and can be prepared by isomerizing 1-carboxamido-2-cyanoaziridine.
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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 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.