Patents by Inventor Yutie Liu

Yutie Liu 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).

  • COMPOSITION AND METHOD FOR BIOFOULING INHIBITION OF MEMBRANE SEPARATION DEVICE
    Publication number: 20160271565
    Abstract: This disclosure relates to a combination for inhibiting or removing biofouling and a method for inhibiting biofouling growth or removing biofouling. This disclosure also relates to a combination including halogen-type oxidizers, sulfur-containing compounds, and ammonium salts and/or urea. Also disclosed are methods for inhibiting the biofouling growth in a reverse osmosis membrane separation device or nanofiltration membrane separation device or removing the biofouling in a reverse osmosis membrane separation device or nanofiltration membrane separation device.
    Type: Application
    Filed: October 21, 2014
    Publication date: September 22, 2016
    Applicant: Ecolab USA Inc.
    Inventors: Yutie LIU, Wenjin YE, Lingfeng HAN, Harshada LOHOKARE, Wenli TU
  • Hollow fiber membrane for the treatment of waste lubricants and method for its production
    Publication number: 20050040101
    Abstract: The present invention proposes a new formulation for the making of a cellulose acetate hollow fiber membrane for ultrafiltration with high water permeability, capable of oil and water separation with minimal energy consumption and low fouling tendencies.
    Type: Application
    Filed: August 8, 2002
    Publication date: February 24, 2005
    Inventors: Jianfeng Kong, Yutie Liu, Fook Wong