Patents by Inventor Yuan Qing Zhang

Yuan Qing Zhang 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).

  • Starch-based composition for preparing an environment degradable .alpha.-olefinic polymer molding material
    Patent number: 5667574
    Abstract: A starch-based composition for preparing an environment degradable .alpha.-olefinic polymer molding material, which includes 95-99 wt % of starch, 0.2-0.8 wt % of a titanate coupling agent having the following formula (I), 0-2 wt % of paraffin and 0-2 wt % of fatty acid: ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen, or R.sub.1 and R.sub.2 together are .dbd.O.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: September 16, 1997
    Assignee: Chi May Co., Ltd.
    Inventor: Yuan Qing Zhang