Patents by Inventor Yongde Bao

Yongde Bao 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 manufacture of natural antioxidant products from tea and spent tea
    Patent number: 5043100
    Abstract: Superior oil-soluble antioxidants are produced by the vacuum steam distillation of alcohol extracts of spent black tea or spent green tea or even the tea itself.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: August 27, 1991
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Stephen S. Chang, Yongde Bao
  • Fish oil
    Patent number: 5023100
    Abstract: An edible fish oil is disclosed which contains EPA and DHA. This oil, with significantly reduced undesirable impurities, is obtained by subjecting fish oil to vacuum steam distillation contacting the oil with an adsorbent and recovering the oil. The oil can be combined with a vegetable oil and/or Rosemary extract antioxidant to improve its oxidative stability.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: June 11, 1991
    Assignee: Kabi Vitrum AB
    Inventors: Stephen S. Chang, Yongde Bao, Timothy J. Pelura
  • Purification of fish oil
    Patent number: 4874629
    Abstract: A process of treating oils containing Omega-3 fatty acids, such as fish oils like Menhaden oil, sardine oil, salmon oil and other oils, to produce odorless and flavorless oils which contain only insignificant amounts of undesirable minor constituents, such as thermal and oxidative polymers of unsaturated glycerides, trans-isomers, positional isomers, conjugated dienes and trienes, cholesterols, pesticides, PCBs and heavy metals, and which have reasonably good flavor and oxidative stabilities.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: October 17, 1989
    Inventors: Stephen S. Chang, Yongde Bao, Timothy J. Pelura