Patents by Inventor Jingjuan Qi

Jingjuan Qi 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 Wetting And Dispersion Of Acrylic Acid Polymers
    Publication number: 20240166825
    Abstract: The disclosed technology concerns a method for wetting and dispersing a pulverulent polycarboxylic acid containing polymer in aqueous media without the need of a steric stabilizer and/or a wetting agent, said method comprises a) providing a pulverulent pre-neutralized carboxylic acid containing polymer or copolymer, wherein said polymer or copolymer is prepared from a monomer mixture comprising at least one olefinically unsaturated carboxylic acid group containing monomer, and wherein from about 1 to about 10 wt. % of said carboxylic acid group containing monomer(s) is neutralized; b) mixing said pulverulent pre-neutralized carboxylic acid containing polymer or copolymer in aqueous medium; and c) mixing a deswelling agent selected from an acid, a salt, and combinations thereof with said aqueous medium, and optionally d), adjusting the pH.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 23, 2024
    Applicant: Lubrizol Advanced Materials, Inc.
    Inventors: Sinan Li, David W. Weaver, Di Shen, Ge Yao, Jingjuan Qi, Samuel T. Williams, Michael Knopf