Patents Represented by Attorney, Agent or Law Firm George Heibel, Esq.
  • Patent number: 6812344
    Abstract: The present invention relates to certain novel piperazine derivatives having protracted uro-selective &agr;1-adrenoceptor antagonistic activity exceeding those of previously described compounds. The compounds of the present invention hold promise for treating benign prostratic hyperplasia (BPH). This invention also relates to methods for making the novel compounds, pharmaceutical compositions containing the compounds, and methods of treating benign prostatic hyperplasia using the compounds.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: November 2, 2004
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Nitya Anand, Neelima Sinha, Sanjay Jain, Anita Mehta, Anil Kumar Saxena