Patents by Inventor S. J. Jong

S. J. Jong 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).

  • Production of 3-phenoxy propanal derivatives
    Patent number: 5068451
    Abstract: A method of producing 3-phenoxy propanal derivatives of 3-phenoxy propanal derivatives of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are --H, --CH.sub.3 or a halogen radical, which comprises oxidizing allyl phenoxy ether derivatives of the formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined above, in an alcohol as a solvent in the presence of a palladium salt, an oxidant, optionally an alkali metal salt of an onganic acid, and/or an acid at a temperature of 5.degree. C. -100.degree. C.
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: November 26, 1991
    Assignee: National Science Council
    Inventors: Ivan J. B. Lin, S. J. Jong