Patents by Inventor Puah Wei

Puah Wei 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).

  • Publication number: 20050101820
    Abstract: A process for the recovery of phytonutrients such as carotenes, phospholipids and ubiquinones from palm oil esters is disclosed. This process comprises the steps of vacuum distillation, treatment and purification of concentrate containing these phytonutrients. The alkyl esters is subjected to at least one stage vacuum distillation at temperature from 80° C. to 220° C. and pressure less than 40 mTorr. The carotenes concentrate is subjected to various physical and chemical treatments to yield higher carotenes concentration enriched with ubiquinones in indigenous diacylglycerols.
    Type: Application
    Filed: August 19, 2003
    Publication date: May 12, 2005
    Inventors: Choo May, Harrison Nang, Puah Wei, Ma Ngan, Yusof Basiron