Patents by Inventor Yih-Wen Wang

Yih-Wen Wang 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).

  • Poly (lactic acid) resin composition for preparing transparent and impact-resistant article, article prepared therefrom and preparation process thereof
    Patent number: 9109083
    Abstract: A poly(lactic acid) resin composition, including: (a) a poly(lactic acid) resin; and (b) a modifier which is in the form of nanoparticle aggregate with a particle size of less than 1000 nm and uniformly dispersed in the poly(lactic acid) resin, wherein the nanoparticle aggregate is obtained from the polycondensation of at least one metal/nonmetal alkoxide, at least one metal/nonmetal alkoxide having at least one functional group capable of reacting with the poly(lactic acid) resin, or a mixture thereof. A process for preparing a transparent and impact-resistant article from the poly(lactic acid) resin composition of the invention, and articles prepared therefrom are also provided.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: August 18, 2015
    Assignee: Far Eastern New Century Corporation
    Inventors: Chih-Yang Kuo, Li-Ling Chang, Ru-Yu Wu, Yih-Wen Wang
  • Poly (lactic acid) resin composition for preparing transparent and impact-resistant article, article prepared therefrom and preparation process thereof
    Patent number: 8431218
    Abstract: A poly(lactic acid) resin composition is provided, comprising (a) a poly(lactic acid) resin, (b) at least one modifier selected from at least one metal/nonmetal alkoxide, at least one metal/nonmetal alkoxide having at least one functional group capable of reacting with the poly(lactic acid) resin, or a mixture thereof, (c) a first catalyst, and (d) optionally, a second catalyst. A process for preparing a transparent and impact-resistant article from the poly(lactic acid) resin composition of the invention, and articles prepared therefrom are also provided.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: April 30, 2013
    Assignee: Far Eastern New Century Corporation
    Inventors: Chih-Ying Kuo, Li-Ling Chang, Ru-Yu Wu, Yih-Wen Wang
  • POLY (LACTIC ACID) RESIN COMPOSITION FOR PREPARING TRANSPARENT AND IMPACT-RESISTANT ARTICLE, ARTICLE PREPARED THEREFROM AND PREPARATION PROCESS THEREOF
    Publication number: 20100167048
    Abstract: A poly(lactic acid) resin composition is provided, comprising (a) a poly(lactic acid) resin, (b) at least one modifier selected from at least one metal/nonmetal alkoxide, at least one metal/nonmetal alkoxide having at least one functional group capable of reacting with the poly(lactic acid) resin, or a mixture thereof, (c) a first catalyst, and (d) optionally, a second catalyst. A process for preparing a transparent and impact-resistant article from the poly (lactic acid) resin composition of the invention, and articles prepared therefrom are also provided.
    Type: Application
    Filed: September 4, 2009
    Publication date: July 1, 2010
    Inventors: Chih-Ying Kuo, Li-Ling Chang, Ru-Yu Wu, Yih-Wen Wang