Patents by Inventor Hee Jin Ka

Hee Jin Ka 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).

  • Medical tube catheter and method for manufacturing same
    Patent number: 9492595
    Abstract: The present invention relates to a medical tube catheter and to a method for manufacturing same. The medical tube catheter according to the present invention includes PVC resin (polyvinyl chloride resin), a plasticizer, a stabilizer, and NBR (acrylonitrile butadiene rubber). Also, the method for manufacturing the medical tube catheter according to the present invention comprises: a first step of preparing a composition by mixing 80 to 120 parts by weight of a plasticizer, 1 to 3 parts by weight of a stabilizer, and 3 to 20 parts by weight of NBR with respect to 100 parts by weight of PVC resin at room temperature; a second step of blending the composition at 140° C. to 170° C. into a blended compound; a third step of extruding the blended compound through an extruder into a tube shape; a fourth step of cooling the tube; and a fifth step of cutting the cooled tube into predetermined lengths.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: November 15, 2016
    Inventors: Dong Min Shon, Young Woo Lee, Seok Geun Park, Hee Jin Ka, Myoung Su Kim
  • MEDICAL TUBE CATHETER AND METHOD FOR MANUFACTURING SAME
    Publication number: 20150119822
    Abstract: The present invention relates to a medical tube catheter and to a method for manufacturing same. The medical tube catheter according to the present invention includes PVC resin (polyvinyl chloride resin), a plasticizer, a stabilizer, and NBR (acrylonitrile butadiene rubber). Also, the method for manufacturing the medical tube catheter according to the present invention comprises: a first step of preparing a composition by mixing 80 to 120 parts by weight of a plasticizer, 1 to 3 parts by weight of a stabilizer, and 3 to 20 parts by weight of NBR with respect to 100 parts by weight of PVC resin at room temperature; a second step of blending the composition at 140° C. to 170° C. into a blended compound; a third step of extruding the blended compound through an extruder into a tube shape; a fourth step of cooling the tube; and a fifth step of cutting the cooled tube into predetermined lengths.
    Type: Application
    Filed: April 17, 2013
    Publication date: April 30, 2015
    Inventors: Dong Min Shon, Young Woo Lee, Seok Geun Park, Hee Jin Ka, Myoung Su Kim