Patents Represented by Attorney John W. Kolano

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  • 6-[(Cyclic amino)alkylamino]-tetrahydrotriazolo[3,4-a]phthalazines
    Patent number: 4487930
    Abstract: 6-[(Cyclic amino)alkylamino]-7,8,9,10-tetrahydro-1,2,4-triazolo[3,4-a]phthalazines are novel compounds prepared by the reaction of a 6-halo-7,8,9,10-tetrahydro-1,2,4-triazolo[3,4-a]phthalazine with an appropriate (cyclic amino)alkylamine. The compounds are useful as bronchodilators.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: December 11, 1984
    Assignee: The Dow Chemical Company
    Inventors: Norton P. Peet, Catherine A. Alexander