Patents by Inventor Bartlett Lawrence

Bartlett Lawrence 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).

  • Process for the production of 2-halo-6-aminopurine derivatives
    Publication number: 20020052492
    Abstract: A novel process for preparing 2-halo-6-aminopurine derivatives and their analogs is disclosed. The method comprises halogenation of 2,6-diaminopurine derivatives at the C-2 position in a specific combination of aprotic polar and nonpolar organic solvents to give the corresponding halogenated derivatives.
    Type: Application
    Filed: March 12, 2001
    Publication date: May 2, 2002
    Applicant: Reliable Biopharmaceutical, Inc.
    Inventors: Sampath UmaShanker, Bartlett Lawrence