Patents by Inventor Felix E. Granchelli

Felix E. Granchelli 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).

  • Cyano-dienes, halopyridines, intermediates and a process for their preparation
    Patent number: 5107057
    Abstract: This invention relates to certain cyano-dienes and halopyridines and the processes for their preparation from a protected 1,3-dialdehyde and a cyano-diene.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: April 21, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: George C. Chiang, Felix E. Granchelli, Christopher Wright