Patents by Inventor Im Sun Her

Im Sun Her 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 preparing hydrotalcite
    Patent number: 8409540
    Abstract: Disclosed is a method of preparing hydrotalcite having superior anion exchange capability and heat stability by forming a seed so that CO32? ions are located to be maximally stable between Mg—Al layers and then conducting primary crystallization and secondary crystallization.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: April 2, 2013
    Inventors: Oh Young Kwon, Im Sun Her
  • PROCESS FOR PREPARING HYDROTALCITE
    Publication number: 20110212014
    Abstract: Disclosed is a method of preparing hydrotalcite having superior anion exchange capability and heat stability by forming a seed so that CO32? ions are located to be maximally stable between Mg—Al layers and then conducting primary crystallization and secondary crystallization.
    Type: Application
    Filed: November 17, 2008
    Publication date: September 1, 2011
    Inventors: Oh Young Kwon, Im Sun Her