Patents by Inventor YeChen Le

YeChen Le 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).

  • COMBINED USE OF POLYOL ESTERS AND CATIONIC POLYELECTROLYTES IN AQUEOUS POLYURETHANE DISPERSIONS
    Publication number: 20220315797
    Abstract: The combined use of polyol esters and cationic polyelectrolytes as additives in cosurfactant-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: July 18, 2019
    Publication date: October 6, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, YeChen Le, Kai-Oliver Feldmann, Marvin Jansen
  • COMBINED USE OF POLYOL ETHERS AND CATIONIC POLYELECTROLYTES IN AQUEOUS POLYURETHANE DISPERSIONS
    Publication number: 20220259429
    Abstract: The combined use of polyol ethers and cationic polyelectrolytes as additives in cosurfactant-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: July 18, 2019
    Publication date: August 18, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, YeChen Le, Kai-Oliver Feldmann, Marvin Jansen
  • POLYOL ESTER-BASED FOAM ADDITIVES FOR POLYURETHANE DISPERSIONS HAVING HIGH FILLER CONTENTS
    Publication number: 20220243057
    Abstract: The joint use of polyol esters and ethylene oxide-rich alkyl alkoxylates as additives in filler-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 4, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Verena Dahl, Marvin Jansen, Sina Arnold, YeChen Le
  • POLYOL ETHER-BASED FOAM ADDITIVES FOR POLYURETHANE DISPERSIONS HAVING HIGH FILLER CONTENTS
    Publication number: 20220243058
    Abstract: The joint use of polyol ethers and ethylene oxide-rich alkyl alkoxylates as additives in filler-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.
    Type: Application
    Filed: July 9, 2019
    Publication date: August 4, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Michael Klostermann, Kai-Oliver Feldmann, Jan Marian von Hof, Verena Dahl, Marvin Jansen, Sina Arnold, YeChen Le