Patents by Inventor Eung Min Lee

Eung Min Lee 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).

  • Publication number: 20190040572
    Abstract: Embodiments of the present disclosure relate to artificial leather and a method of manufacturing the same, and more particularly, to suede artificial leather for a vehicle seat with improved light fastness and tactile sensitivity, and a method of manufacturing the same. In accordance with one aspect of the present disclosure, a method of manufacturing artificial leather comprise needle-punching a sea-island type ultrafine conjugated yarn having a sea component of easily soluble polyester and an island component of a polyester black dope-dyed yarn to form a nonwoven fabric; wet-impregnating a polyurethane resin in the nonwoven fabric; eluting the sea component of the nonwoven fabric; dyeing and reduction-cleaning the nonwoven fabric from which the sea component is eluted; and performing in-bath flame-retardant treatment on the cleaned nonwoven fabric.
    Type: Application
    Filed: December 1, 2017
    Publication date: February 7, 2019
    Inventors: Hyemin LEE, Won Jin SEO, Gun KANG, SoonJoon JUNG, Mi Jung YUN, Hyuk-Jae YOU, Jong-Ho PARK, Eung-Min LEE
  • Publication number: 20130209738
    Abstract: Disclosed are an artificial leather that comprises two or more types of short fibers made of different components and thus exhibits superior texture, flexibility, breathability and fullness and enables great weight reduction, and a method for manufacturing the same. The artificial leather includes a non-woven fabric having a fineness of 0.001 to 0.5 denier, and a polymeric elastomer impregnated in the non-woven fabric, wherein the short fibers are two or more types of polyester short fibers having different numbers of repeat units of —CH2—.
    Type: Application
    Filed: September 27, 2011
    Publication date: August 15, 2013
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Eung Min Lee, Jong Sue Jung, Jeong Nam Hwang, Jong Ho Park