Patents by Inventor Philip George Lake

Philip George Lake 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).

  • Guanine derivative
    Patent number: 6107302
    Abstract: The invention relates to an anhydrous crystalline form of (2-[2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy]ethyl L-valinate hydrochloride (otherwise known as valaciclovir hydrochloride) and a process for preparing it.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: August 22, 2000
    Assignee: Glaxo Wellcome Inc.
    Inventors: Barry Howard Carter, Jane Muse Partin, Peter Gregory Varlashkin, Richard Augustus Winnike, William Bayne Grubb, III, Gregory Alan Conway, Philip George Lake, David Michael Skinner, David James Whatrup