Patents by Inventor Tzu-Heng Ko

Tzu-Heng Ko 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).

  • Use of polymerizable ultraviolet absorber in polyurethane and composition for preparing polyurethane comprising the same
    Publication number: 20190016850
    Abstract: A use of a polymerizable ultraviolet absorber is disclosed, which is applied to a polyurethane preparation. The polymerizable ultraviolet absorber is obtained by reacting an UV absorber having a reactive hydrogen group with a polyisocyanate having three —NCO groups. In addition, a composition for forming polyurethane comprising the aforementioned polymerizable ultraviolet absorber is also disclosed.
    Type: Application
    Filed: June 11, 2018
    Publication date: January 17, 2019
    Inventors: Kuang-Chin CHANG, Jui-Chi LIN, Jiu-Tai WEI, Yu-Ming TSAI, Tzu-Heng KO, Der-Gun CHOU
  • Polyurethane-based UV absorber
    Patent number: 10005958
    Abstract: A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 26, 2018
    Assignee: EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION
    Inventors: Mei-Ting Lu, Huei-Jen Yang, Yuan-Pin Pan, Tzu-Heng Ko, Der-Gun Chou, Bao-Kun Lai
  • Polyurethane-based UV absorber
    Publication number: 20180002602
    Abstract: A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.
    Type: Application
    Filed: June 1, 2017
    Publication date: January 4, 2018
    Inventors: Mei-Ting LU, Huei-Jen YANG, Yuan-Pin PAN, Tzu-Heng KO, Der-Gun CHOU, Bao-Kun LAI
  • Softener composition
    Patent number: 9683202
    Abstract: The present invention provides a softener composition, which attaches onto the fabric during the rinsing process, and thus enables the fabric to have the anti-ultraviolet function. The softener composition comprises (A) 0.05 to 50 wt % of polyurethane-based polymeric UV light absorber, (B) 2 to 15 wt % of cationic softener, and (C) 35 to 97 wt % of water.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: June 20, 2017
    Assignee: EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION
    Inventors: Mei-Ting Lu, Tzu-Heng Ko, Yuan-Pin Pan, Der-Gun Chou, Shu-Chu Chou
  • SOFTENER COMPOSITION
    Publication number: 20160060580
    Abstract: The present invention provides a softener composition, which attaches onto the fabric during the rinsing process, and thus enables the fabric to have the anti-ultraviolet function. The softener composition comprises (A) 0.05 to 50 wt % of polyurethane-based polymeric UV light absorber, (B) 2 to 15 wt % of cationic softener, and (C) 35 to 97 wt % of water.
    Type: Application
    Filed: August 11, 2015
    Publication date: March 3, 2016
    Inventors: Mei-Ting LU, Tzu-Heng KO, Yuan-Pin PAN, Der-Gun CHOU, Shu-Chu CHOU
  • Polyurethane derivatives, composition thereof and dye additives comprising the polyurethane derivatives
    Patent number: 8512421
    Abstract: A polyurethane derivative and a composition thereof are disclosed. The polyurethane derivative of the present invention has a structure of formula (I). The polyurethane derivative and the composition thereof can be used for increasing light fastness.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: August 20, 2013
    Assignee: Everlight Chemical Industrial Corporation
    Inventors: Hsin-Ying Lu, Sheue-Rong Lee, Tzu-Heng Ko, Hsiang-Lin Chiang, Der-Gun Chou
  • COMPOUNDS FOR USE IN ELECTROLYTE FOR SOLAR CELL, METHOD FOR PREPARING THE SAME, AND ELECTROLYTE AND SOLAR CELL HAVING THE SAME
    Publication number: 20130056075
    Abstract: Provided is a compound of formula (I): wherein A is C2-3 alkylene; m is an integer ranging from 2 to 25; and n is an integer ranging from 3 to 10. An electrolyte for a dye-sensitized solar cell having the compound of formula (I) and/or a compound of formula (II) is further provided for increasing photoelectric conversion efficiency.
    Type: Application
    Filed: September 4, 2012
    Publication date: March 7, 2013
    Applicant: EVERLIGHT USA, INC.
    Inventors: Yu-Hui Lee, Hsin-Ying Lu, Kuan-Wei Lee, Tzu-Heng Ko