Patents by Inventor Jihn-Yuh Wang

Jihn-Yuh 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).

  • Method for reducing slime production and mixture making the same
    Patent number: 7520960
    Abstract: A method for reducing a production of a build-up slime in a papermaking process is provided. The method includes steps of adding a dispersing agent into the papermaking material to obtain a first mixture, mixing and culturing the first mixture, adding an antagonist into the first mixture to obtain a second mixture, mixing and culturing the second mixture for reducing the production of the slime, and re-adding the antagonist into the mixed and cultured second mixture after a specific time period for further reducing the production of the slime.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: April 21, 2009
    Assignee: Yuen Foong Yu Paper Mfg. Co. Ltd.
    Inventor: Jihn-Yuh Wang
  • METHOD FOR REDUCING SLIME PRODUCTION AND MIXTURE MAKING THE SAME
    Publication number: 20060283568
    Abstract: A method for reducing a production of a build-up slime in a papermaking process is provided. The method includes steps of adding a dispersing agent into the papermaking material to obtain a first mixture, mixing and culturing the first mixture, adding an antagonist into the first mixture to obtain a second mixture, mixing and culturing the second mixture for reducing the production of the slime, and re-adding the antagonist into the mixed and cultured second mixture after a specific time period for further reducing the production of the slime.
    Type: Application
    Filed: August 25, 2006
    Publication date: December 21, 2006
    Inventor: Jihn-Yuh Wang
  • Method for reducing slime production and mixture making the same
    Publication number: 20040074621
    Abstract: A method for reducing a production of a slime in a papermaking process is provided. The method includes steps of adding a dispersing agent into the slime to obtain a first mixture, mixing and culturing the mixture, adding an antagonistic into the first mixture to obtain a second mixture, mixing and culturing the second mixture for reducing the production of the slime, and re-adding the antagonistic into the mixed and cultured second mixture after a specific time period for further reducing the production of the slime.
    Type: Application
    Filed: December 31, 2002
    Publication date: April 22, 2004
    Applicant: Yuen Foong Yu Paper MFG Co., Ltd.
    Inventor: Jihn-Yuh Wang