Patents by Inventor Porakrit LEOPHAIRATANA

Porakrit LEOPHAIRATANA 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).

  • Ketals and Polyketals as Release Agents
    Publication number: 20210355276
    Abstract: Disclosed herein are ketal compounds, oligomers, and polyketals that are obtained in both high purity and high yield. These ketals and polyketals are utilized for their ability to readily release small chemical molecules, preferably fragrance molecules. Also disclosed are the utility of ketals and polyketals as delivery vehicles for controlled release of fragrances over time and/or on demand.
    Type: Application
    Filed: September 16, 2019
    Publication date: November 18, 2021
    Inventors: Chathuranga C. DE SILVA, Porakrit LEOPHAIRATANA, Jeffrey T. KOBERSTEIN