Patents by Inventor Wenjia Liang

Wenjia Liang 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: 20070092853
    Abstract: Described herein are methods for making highly accurate layered dental models from a cast of a subject's oral cavity (e.g., the upper or lower dental arch) that avoid shrinkage or deformation. The methods may include the steps of sequentially preparing the model-forming material, applying a layer of model-forming material to a cast, and curing the layer before applying the next layer. The model-forming material may include one or more stabilizers (e.g. thermal stabilizers). Dental models having multiple layers are also described.
    Type: Application
    Filed: October 24, 2005
    Publication date: April 26, 2007
    Inventors: Frank Liu, Gang Liu, Wenjia Liang, Wahab Waqas, Huafeng Wen