Patents by Inventor Yuanhuan ZHENG

Yuanhuan ZHENG 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).

  • Formulation and method for inhibiting carbon-based deposits
    Patent number: 10428429
    Abstract: There is a formulation and a method for inhibiting carbon-based deposits on metal substrate. The method comprises the use of a formulation comprising at least one oxidizing agent and at least one etchant capable of forming free metal ions from the metal substrate, at least one sequestering agent having a ligand capable of forming a complex with the free metal ions and at least one chelating agent having a ligand capable of complexing with at least one surface metal atom.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: October 1, 2019
    Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Liang Hong, Yuanhuan Zheng, Siok Wei Tay
  • FORMULATION AND METHOD FOR INHIBITING CARBON-BASED DEPOSITS
    Publication number: 20170298522
    Abstract: There is a formulation and a method for inhibiting carbon-based deposits on metal substrate. The method comprises the use of a formulation comprising at least one oxidizing agent and at least one etchant capable of forming free metal ions from the metal substrate, at least one sequestering agent having a ligand capable of forming a complex with the free metal ions and at least one chelating agent having a ligand capable of complexing with at least one surface metal atom.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 19, 2017
    Inventors: Liang HONG, Yuanhuan ZHENG, Siok Wei TAY