Patents by Inventor Bang Un Song

Bang Un Song 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).

  • Treatment method for spent caustic soda
    Patent number: 9029624
    Abstract: An embodiment of the present invention relates to a method for treating spent caustic soda generated from an oil refinery process, a petrochemical process, etc. through a process in which a series of treatment steps are integrated, wherein the method can constitute a process under mild conditions excluding high temperature and/or high pressure conditions and can be advantageous to a post treatment process since the amount of by-products is small.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: May 12, 2015
    Assignee: SK Energy Co., Ltd.
    Inventors: Bang Un Song, Sung Ho Lee, Young Seek Yoon, Seung Hoon Oh
  • TREATMENT METHOD FOR SPENT CAUSTIC SODA
    Publication number: 20140140906
    Abstract: An embodiment of the present invention relates to a method for treating spent caustic soda generated from an oil refinery process, a petrochemical process, etc. through a process in which a series of treatment steps are integrated, wherein the method can constitute a process under mild conditions excluding high temperature and/or high pressure conditions and can be advantageous to a post treatment process since the amount of by-products is small.
    Type: Application
    Filed: June 26, 2012
    Publication date: May 22, 2014
    Applicant: SK ENERGY CO., LTD.
    Inventors: Bang Un Song, Sung Ho Lee, Young Seek Yoon, Seung Hoon Oh