Patents by Inventor Liu-Lan Shen

Liu-Lan Shen 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 preparing secondary amine compound using microflow reactor
    Patent number: 8791301
    Abstract: Disclosed is a novel method of preparing a secondary amine compound using a microflow reactor. According to the method, a primary amine compound and a halide compound are allowed to react with each other in the microflow reactor, such that the production of a tertiary amine compound or an ammonium salt is minimized, whereby the secondary amine compound is efficiently prepared.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: July 29, 2014
    Assignee: University-Industry Cooperation Group of Kyunghee University
    Inventors: Jin-Hyun Jeong, Han-Seo Moon, Liu-Lan Shen, Yong-Sung Choi
  • NOVEL METHOD OF PREPARING SECONDARY AMINE COMPOUND USING MICROFLOW REACTOR
    Publication number: 20130137900
    Abstract: Disclosed is a novel method of preparing a secondary amine compound using a microflow reactor. According to the method, a primary amine compound and a halide compound are allowed to react with each other in the microflow reactor, such that the production of a tertiary amine compound or an ammonium salt is minimized, whereby the secondary amine compound is efficiently prepared.
    Type: Application
    Filed: February 1, 2011
    Publication date: May 30, 2013
    Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNGHEE UNIVERSITY
    Inventors: Jin-Hyun Jeong, Han-Seo Moon, Liu-Lan Shen, Yong-Sung Choi