Patents by Inventor Nazar Khalaf

Nazar Khalaf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods for preparing purified lipopeptides
    Publication number: 20030045678
    Abstract: The present invention relates to crystalline and crystal-like forms of lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention relates to methods of purifying lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention also relates to pharmaceutical compositions comprising the purified form of the lipopeptide and methods of using these compositions.
    Type: Application
    Filed: December 17, 2001
    Publication date: March 6, 2003
    Inventors: Dennis Keith, Jan-Ji Lai, Nazar Khalaf, Chandrika Govardhan
  • Active topical skin protectants containing OPAA enzymes and clecs
    Patent number: 6410604
    Abstract: A topical skin protectant formulation containing a barrier cream and an active moiety for protecting warfighters and civilians against all types of harmful chemicals, specifically chemical warfare agents (CWA's). The topical skin protectant offers a barrier property and an active moiety that serves to neutralize chemical warfare agents into less toxic agents.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: June 25, 2002
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Ernest H. Braue, Jr., Stephen T. Hobson, Chandrike Govardhan, Nazar Khalaf