Patents Represented by Attorney, Agent or Law Firm William Hare, Esq.
  • 1-(4-Arylpiperazin-1-yl)-&ohgr;-[N-(&agr;,&ohgr;-dicarboximidoL)]-alkanes useful as uro-selective &agr;1-adrenoceptor blockers
    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
  • Process for the preparation of fluoxetine hydrochloride
    Patent number: 6677485
    Abstract: An improved and industrially advantageous process for the preparation of the antidepressant fluoxetine and its pharmaceutically acceptable salts, preferably hydrochloride.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: January 13, 2004
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Naresh Kumar, Bakthavathsalan Vijayaraghavan, Kinali Venkata Ramana, Swargam Sathyanarayana
  • Controlled release formulation
    Patent number: 6673369
    Abstract: The present invention relates to a controlled release pharmaceutical composition comprising amounts ranging from about 0.1 to about 4.5% w/w, of one or more of rate controlling cellulosic ether polymers.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: January 6, 2004
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Ashok Rampal, Rajeev S. Raghuvanshi, Manoj Kumar