Patents by Inventor Hey-Uan Wei

Hey-Uan Wei 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).

  • Solid Defoaming Agent
    Publication number: 20150141534
    Abstract: The present invention provides a method for producing a solid defoaming/antifoaming agent comprising the following steps: providing an alkaline solution; adding an oil to the above alkaline solution to produce a saponification reaction; adding a liquid antifoaming agent; and putting aside the mixture containing the above alkaline solution, the oil and the liquid antifoaming agent to form the solid antifoaming agent. The ingredients of the solid antifoaming agent according to the present invention include 5˜40 weight percent vegetable oil, a 20˜40 weight percent sodium hydroxide solution and a 30˜60 weight percent liquid antifoaming agent.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Inventors: Shao-Hai Fang, Hey-Uan Wei
  • Solid defoaming agent
    Patent number: 8969421
    Abstract: A method for producing a solid antifoaming agent comprising the following steps: providing an alkaline solution; adding an oil to the above alkaline solution to produce a saponification reaction; adding a liquid antifoaming agent; and putting aside the mixture containing the above alkaline solution, the oil and the liquid antifoaming agent to form the solid antifoaming agent. The ingredients of the solid antifoaming agent according to the present invention include 5˜40 weight percent vegetable oil, a 20˜40 weight percent sodium hydroxide solution and a 30˜60 weight percent liquid antifoaming agent.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: March 3, 2015
    Assignee: AU Optronics Corporation
    Inventors: Shao-Hai Fang, Hey-Uan Wei
  • Solid Defoaming Agent
    Publication number: 20080119573
    Abstract: The present invention provides a method for producing a solid defoaming/antifoaming agent comprising the following steps: providing an alkaline solution; adding an oil to the above alkaline solution to produce a saponification reaction; adding a liquid antifoaming agent; and putting aside the mixture containing the above alkaline solution, the oil and the liquid antifoaming agent to form the solid antifoaming agent. The ingredients of the solid antifoaming agent according to the present invention include 5˜40 weight percent vegetable oil, a 20˜40 weight percent sodium hydroxide solution and a 30˜60 weight percent liquid antifoaming agent.
    Type: Application
    Filed: August 21, 2007
    Publication date: May 22, 2008
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Shao-Hai Fang, Hey-Uan Wei