Patents by Inventor Wayne Craig Appleton

Wayne Craig Appleton 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 preparing 2-amino-4,6-dichloropyrimidine
    Patent number: 5698695
    Abstract: A process comprising reacting 2-amino-4,6-dihydroxy-pyrimidine or its salt with phosphorus oxychloride without the use of a solvent or excessive quantities of phosphorus oxychloride.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: December 16, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Wayne Craig Appleton, Patti Ann Parziale