Patents by Inventor Randall M. Walker

Randall M. Walker 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).

  • Polymorphs of 3--(3?,3?-dimethylsuccinyl)betulinic acid di--methyl-D-glucamine
    Patent number: 7799768
    Abstract: The present invention relates to crystalline polymorphs of 3-O-(3?,3?-dimethylsuccinyl)betulinic acid di-N-methyl-D-glucamine salt (“DSB•2NMG)”), pharmaceutical compositions of the same and use of the same as an active pharmaceutical agent in the treatment of HIV related disorders.
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: September 21, 2010
    Assignee: Myrexis, Inc.
    Inventors: Mike H. O'Neill, Gary G. Sweetapple, Randall M. Walker, Arndt Hausherr, Gunter Koch, David E. Martin