Halogen pyrazoles derivatives, a method for producing these halogen pyrazole derivatives and medicaments containing them
CA 1048499 A · Owner: Byk Gulden Lomberg Chemische Fabrik Gesellschaft Mit Beschrankter Haftun G · Inventors: Rainer, Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to pharmaceutically valuable halogen pyrazole derivatives, a method for producing them and medicaments which contain these active substances. The derivatives are of the general formula I I, in which Ph1 and Ph2 are the same or different phenyl radicals and halogen, denotes a fluorine, chlorine or bromine atom and their salts.
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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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 1996.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.