Patents by Inventor Naline Nilubol

Naline Nilubol 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 extraction and purification of plaunotol
    Patent number: 5264638
    Abstract: A process for the extraction and purification of the diterpene alcohol Plaunotol from the leaves of the medicinal plant, Croton sublyratus Kurz. The process involves extracting firstly with a lower aliphatic alcohol followed by extracting from the alcohol solution with a chlorinated hydrocarbon. Then impurities are hydrolysed and the required Plaunotol separated by extraction with a hydrocarbon. This process is simple and gave much better yields than prior processes.
    Type: Grant
    Filed: January 28, 1992
    Date of Patent: November 23, 1993
    Assignee: Chulalongkorn University
    Inventor: Naline Nilubol