Patents by Inventor Jeong-Ryeon Han

Jeong-Ryeon Han 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).

  • Aluminosiloxane compound and process for preparing the same
    Patent number: 6495708
    Abstract: The present invention relates to novel aluminosiloxane compounds which have the characteristics to be prepared from waste silicone compounds and to be advantageously used as siloxylating agent for various organic and inorganic materials, processes for preparation thereof, and uses thereof.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: December 17, 2002
    Inventors: Jae-Kun Yang, Jeong-Ryeon Han
  • Oxygen enriching membrane
    Patent number: 6372020
    Abstract: The present invention relates to a novel oxygen enriching membrane wich exhibits the desired oxygen selectivity and permeability under a low pressure difference characterized in that it is prepared from siloxylated cellulose and/or siloxylated glass.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: April 16, 2002
    Inventors: Jae-Jin Hong, Jae-Kun Yang, Jeong-Ryeon Han
  • NOVEL OXYGEN ENRICHING MEMBRANE
    Publication number: 20010050000
    Abstract: The present invention relates to a novel oxygen enriching membrane which exhibits the desired oxygen selectivity and permeability under a low pressure difference characterized in that it is prepared from siloxylated cellulose and/or siloxylated glass.
    Type: Application
    Filed: August 26, 1999
    Publication date: December 13, 2001
    Inventors: JAE-JIN HONG, JAE-KUN YANG, JEONG-RYEON HAN
  • Process for decomposing siloxane bond-containing compound
    Patent number: 5892087
    Abstract: The present invention relates to a novel process for decomposing siloxane bond-containing compound by an alkali decomposer characterized in that one or more selected from a group consisting of secondary and tertiary aliphatic alcohols are used as a decomposition facilitator, and if desired, the decomposition product is further sonicated and treated with a triorganylhalosilane.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: April 6, 1999
    Assignees: Jae-Kun Yang, Jeong-Ryeon Han
    Inventors: Jae-Kun Yang, Jeong-Ryeon Han, Joung-Bum Shin, Jae-Jin Hong