Patents by Inventor Hwang Gyu Ryu

Hwang Gyu Ryu 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).

  • Method of producing oil-absorbable foamed body, foamed body produced using the method, and foam product using the foamed body
    Publication number: 20080182474
    Abstract: The present invention relates to a foamed phenol resin body, which is useful as an oil absorbent, which is an absorbent of oil and hydrophobic liquid and a production method thereof, and relates to a method of producing an oil-absorbable foamed body, which may be simply produced, may absorb large amounts of oil even when used in small amounts, and may be formed into various foam products, such as mats, foam or rolls, depending on the types of spilled oil, in order to facilitate the absorption of oil. The present invention further relates to a foamed body produced using the method, and to a foam product using the foamed body. Accordingly, the oil absorbent of the present invention may be easily produced, and has numerous pores formed therein to facilitate the absorption of oil.
    Type: Application
    Filed: January 28, 2008
    Publication date: July 31, 2008
    Inventors: Kwang Soo Kim, Ik Soo Kim, Hwang Gyu Ryu, Sang Hyeon Park, Young Jin Cheon