Patents by Inventor Roy H. Valentine

Roy H. Valentine 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 functionalization of organic molecules
    Patent number: 5315018
    Abstract: The present invention relates to the hydroxymethylation of aromatic compounds and the subsequent transformation of the hydroxymethylated aromatic compounds to the polyalkoxyalkylene derivative thereof.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: May 24, 1994
    Assignee: Roussel-Uclaf
    Inventors: Stuart J. Penny, Roy H. Valentine
  • Process for the preparation of dihydrocinnamaldehyde derivatives
    Patent number: 4389527
    Abstract: This invention discloses a novel process for producing dihydrocinnamaldehyde derivatives which comprises reacting a benzene derivative with an alken-2-ylidene diacylate or an .alpha.-ethylenic aldehyde in trifluoroacetic acid (TFA).
    Type: Grant
    Filed: June 30, 1981
    Date of Patent: June 21, 1983
    Assignee: Givaudan Corporation
    Inventors: Roy H. Valentine, Harold A. Brandman