Patents by Inventor Sujandi ZHOU

Sujandi ZHOU 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 TREATING FABRICS
    Publication number: 20240158983
    Abstract: The invention relates to a method for treating a fabric, notably a method for preventing or recovering degradation of a fabric, by using a natural polygalactomannan.
    Type: Application
    Filed: March 12, 2021
    Publication date: May 16, 2024
    Applicant: SPECIALTY OPERATIONS FRANCE
    Inventors: Sujandi Zhou, Galder Cristobal
  • BIODEGRADABLE SOIL RELEASE POLYESTER POLYMER AND THE CLEANING COMPOSITION COMPRISING THE SAME
    Publication number: 20240117279
    Abstract: The present invention provides a soil release polyester polymer which is biodegradable and has favorable soil releasing performance. In another aspect the invention also provides a cleaning composition comprising the same.
    Type: Application
    Filed: February 7, 2022
    Publication date: April 11, 2024
    Applicant: SPECIALTY OPERATIONS FRANCE
    Inventors: Mangaleswaran Sivaprakasam, Kanu Barad, Gururajan Padmanaban, Sujandi Zhou, Galder Cristobal, Kaustav Chakraborty, David James Wilson
  • METHOD FOR TREATING FABRICS
    Publication number: 20220049416
    Abstract: The invention relates to a method for treating a fabric, notably a method for preventing or recovering degradation of a fabric, by using a cationic polygalactomannan, wherein the cationic polygalactomannan contains non-ionic hydroxyalkyl substituents and has a Brookfield RVT viscosity at 25° C. and 20 rpm greater than 700 mPa·s, at a concentration of 1 wt % in water.
    Type: Application
    Filed: November 13, 2019
    Publication date: February 17, 2022
    Inventors: Galder CRISTOBAL, Sujandi ZHOU, Caroline MABILLE, Katerina KARAGIANNI