(2-cyano-2-(phenyl or naphthyl)-2-substituted-ethyl) pyrazines, pyrimidines and pyridazines
CA 1332711 C · Owner: Rohm And Haas Company · Inventors: Reynolds, Charles Howard; Shaber, Steven Howard; Sharma, Ashok Kumar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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i-, Patent Application of, Steven S. Shaber Ashok K. Sharma, Charles H. Reynolds, for (2-CYANO-2-(PHENYL OR NAPHTHYL)-2-SUBSTITUTED- ETHYL) PYRAZINES, PYRIMIDINES AND PYRIDAZINES 86-41 DEW/pao, Abstract, 2-cyano-2-(phenyl or naphthyl)-2-substituted-ethyl heterocycles of the formula:, wherein Het is a heterocyclic group selected from pyrimidinyl, pyrazinyl and pyridazinyl R is hydrogen, alkyl, cycloalkyl, cycloalkylalkyl haloalkyl, alkenyl, haloalkenyl, alkynyl alkoxy, alkenoxy, alkynoxy, optionally substituted phenyl optionally substituted, naphthyl, optionally substituted phenylalkyl and optionally substituted phenoxyalkyl; and Ar is an optionally substituted phenyl or naphthyl group are …
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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 October 25, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 25, 2011.
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