Patents by Inventor Yeong L. Ha

Yeong L. Ha 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).

  • Octadecadienoic phospholipic esters, antioxidant and mold inhibiting compositions
    Patent number: 5208356
    Abstract: Substantially pure, non-toxic salts and esters of conjugated linoleic acid (CLA) are useful as antioxidants and as mold growth inhibitors. Methods of making the cis-9, trans-11 isomer of linoleic acid and the compounds are also disclosed.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: May 4, 1993
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Michael W. Pariza, Yeong L. Ha
  • Methods of chelating metal and novel compositions therefor
    Patent number: 5070104
    Abstract: A method of chelating a metal in solution comprise adding to the solution a safe and effective amount of an active form of CLA. Pharmaceutical preparations for practice of the method in vivo are disclosed.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: December 3, 1991
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Michael W. Pariza, Yeong L. Ha
  • Methods of preventing oxidation, quenching singlet oxygen and inhibiting mold growth and novel compositions therefor
    Patent number: 5017614
    Abstract: Methods of preventing oxidation, quenching singlet oxygen and inhibiting mold growth in a product comprises adding to the product a safe and effective amount of an active form of CLA. Active forms of CLA include 9,11-octadecadoenoic acid, 10,12-octadecadienoic acid, active isomers thereof, non-toxic salts thereof; active esters; other active chemical derivatives thereof, and mixtures thereof. Simple methods of making the compositions and novel compositions are also disclosed.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: May 21, 1991
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Michael W. Pariza, Yeong L. Ha