Patents by Inventor David Dehua Liu

David Dehua Liu 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).

  • BIODEGRADABLE DISPOSABLE LABWARES FOR USE IN LABORATORIES
    Publication number: 20120009103
    Abstract: The present invention relates to plastic disposable supplies used in medical, biological, chemical and biochemical industries and laboratories. The disposable products of the present invention are manufactured by using a novel biodegradable plastic with composition modified from polylactic acid (PLA) plastic and additives under specific injection/blow molding conditions, thus possessing superior physical and chemical properties and being able to be degraded in nature without causing environmental contamination.
    Type: Application
    Filed: July 7, 2010
    Publication date: January 12, 2012
    Inventor: David Dehua Liu