Patents by Inventor Tung-Liang Chen

Tung-Liang Chen 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: 20200038906
    Abstract: The present invention provides a polymer-collagen composite film and a method of forming the same. In the method, a surface of a polymer substrate is treated by plasma, and collagen is then grafted to the surface, thereby forming the polymer-collagen composite film. The composite film has good hydrophilicity and biocompatibility.
    Type: Application
    Filed: June 26, 2019
    Publication date: February 6, 2020
    Inventors: Po-Han Chen, I-Ming Chen, Tung-Liang Chen
  • Publication number: 20190151225
    Abstract: The present invention provides a waterborne composition for preventing contact between acnes and irritants, and the water based composition includes a polymer (A), a thickener (B), a functional additive (C) and water (D). The present invention further provides a transparent film and a method of forming the same for preventing contact between acnes and irritants.
    Type: Application
    Filed: May 3, 2018
    Publication date: May 23, 2019
    Inventors: Po-Han Chen, Ya-Yun Tsai, Chia-Li Huang, I-Ming Chen, Tung-Liang Chen
  • Publication number: 20170273887
    Abstract: The present invention relates to a method of producing a composite powder. A porous powder is physically covered by collagen and chitosan sequentially, thereby forming the composite powder. The composite powder has good dispersity, an ability of moisture retention and a low greasiness while being added in an oil-in-water emulsion base or a hydrogel base to form a cosmetic composition.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 28, 2017
    Inventors: Po-Han CHEN, Ya-Yun TSAI, I-Ming CHEN, Tung-Liang CHEN
  • Patent number: D402472
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: December 15, 1998
    Assignee: Tair Jiuh Enterprise Co., Ltd.
    Inventor: Tung-Liang Chen