Patents Represented by Attorney, Agent or Law Firm Norris McLLaughlin & Marcus
  • Phenyl-substituted 1,4-dihydropyridines
    Patent number: 6630494
    Abstract: Novel phenyl-substituted 1,4-dihydropyridines, prepared by reacting halogenophenyl-aldehydes with &bgr;-ketoesters, if appropriate with isolation of the ylidene compounds and enamines. The substances can be employed as active compounds in medicaments, in particular in cerebrally active compositions.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: October 7, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Meier, Wolfgang Hartwig, Bodo Junge, Rudolf Schohe-Loop, Zhan Gao, Bernard Schmidt, Maarten de Jonge, Teunis Schuurman