Patents by Inventor Teck Wei Ching

Teck Wei Ching 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).

  • Recycling of superabsorbent polymer via hydrothermal microwave processing
    Patent number: 11396587
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) and H2O2 in a feed is converted with microwave (MW) irradiation into poly(acrylic acid) (PAA) in the product. The MW total energy used to convert SAP into PAA is less than 50 MJ/kg SAP.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: July 26, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Mark Monroe Banaszak Holl, Akshat Tanksale, Teck Wei Ching, Jing Zhang, Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan
  • Recycling of Superabsorbent Polymer Via Hydrothermal Microwave Processing
    Publication number: 20210054164
    Abstract: Poly(acrylic acid)-based superabsorbent polymer (SAP) and H2O2 in a feed is converted with microwave (MW) irradiation into poly(acrylic acid) (PAA) in the product. The MW total energy used to convert SAP into PAA is less than 50 MJ/kg SAP.
    Type: Application
    Filed: August 21, 2020
    Publication date: February 25, 2021
    Inventors: Mark Monroe Banaszak Holl, Akshat Tanksale, Teck Wei Ching, Jing Zhang, Dimitris Ioannis Collias, John Andrew McDaniel, Gary Wayne Gilbertson, Martin Ian James, Arsen Arsenov Simonyan