Patents Represented by Attorney Mark D. Daniel

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  • 2-phenanthridinyl carbaphenem antibacterial agent
    Patent number: 5336674
    Abstract: The present invention relates to antibacterial agents of the carbapenem class, in which the 2-position sidechain is characterized by a phenanthridine moiety typically having a substituent attached to the nitrogen of the phenanthridine and substituted at other positions by various neutral substituents. When there is substitution on the nitrogen of the phenathridine moiety that nitrogen is a charged quaternary nitrogen.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: August 9, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Frank P. Dininno, Mark L. Greenlee, Thomas A. Rano, Wendy Lee