Quinoxaline-di-h-oxides and production thereof
CA 1108143 A · Owner: Novartis Pharmaceuticals Canada Inc./Novartis Pharma Canada Inc. · Inventors: Burckhardt, Urs; Basler, Walter; Schmid, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel quinoxaline-di-N-oxide derivatives of the formula are disclosed, wherein, R represents a hydrogen atom an alkyl group of 1 to, 12 carbon atoms a cyanoalkyl group containing 1 to, 4 carbon atoms in the alkyl moiety or an allyl group. and A represents a straight-chain or branched alkylene bridge member containing 1 to 4 carbon atoms. These compounds are useful for the control of pathogenic microorganism and for stimulating the growth of domestic animals end productive livestock.
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 September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.