Patents by Inventor Mark A. Lyster

Mark A. Lyster 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).

  • Patent number: 6452007
    Abstract: The present invention relates to two novel crystal forms of a known compound, 1-[5-Methanesulfonamidoindolyl-2-carbonyl]-4-[3-(1-methylethylamino)-2-pyridinyl] piperazine monomethanesulfonate salt, which are useful for treating humans who are HIV positive, which are identified by a powder X-ray diffraction spectrum known commonly as the “S” and “T” forms.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: September 17, 2002