Patents by Inventor Sunantha Kaenthong

Sunantha Kaenthong 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).

  • Process for producing superabsorbents
    Patent number: 12083496
    Abstract: The invention relates to a process for producing long-term color stable superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises at least 0.01% by weight of 1-hydroxyethane-1,1-diphosphonic acid or a salt thereof and at least 0.01% by weight of 2-hydroxy-2-sulfonatoacetic acid or a salt thereof.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: September 10, 2024
    Assignee: BASF SE
    Inventors: Norbert Herfert, Bootsara Parchana, Sunantha Kaenthong, Stephan Bauer, Thomas Daniel, Katrin Baumann
  • Process for Producing Superabsorbents
    Publication number: 20210121852
    Abstract: The invention relates to a process for producing long-term color stable superabsorbent polymer particles, comprising polymerization of a monomer solution, wherein the monomer solution comprises at least 0.01% by weight of 1-hydroxyethane-1,1-diphosphonic acid or a salt thereof and at least 0.01% by weight of 2-hydroxy-2-sulfonatoacetic acid or a salt thereof.
    Type: Application
    Filed: April 9, 2019
    Publication date: April 29, 2021
    Inventors: Norbert Herfert, Bootsara Parchana, Sunantha Kaenthong, Stephan Bauer, Thomas Daniel, Katrin Baumann