Patents by Inventor Ik won Gwak

Ik won Gwak 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).

  • Low ignition propensity cigarette paper and cigarette using the same
    Patent number: 9265285
    Abstract: A low ignition propensity cigarette paper includes a coating portion including a hydrophobic starch and a hydrophilic starch, and a plurality of pores including a micrometer-size pore and a nanometer-size pore, wherein the hydrophobic starch and the hydrophilic starch cover the micrometer-size pore and the nanometer-size pore.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: February 23, 2016
    Assignee: KT & G CORPORATION
    Inventors: Ik won Gwak, Jong-Oh Kim, Seong-Ho Ju, Young-Sin Kim, Kwang Se Lee
  • LOW IGNITION PROPENSITY CIGARETTE PAPER AND CIGARETTE INCLUDING THE SAME
    Publication number: 20150257438
    Abstract: A low ignition propensity cigarette paper includes a first coating layer disposed in a combustion section combusted by smoking, and a second coating layer disposed in a cigarette butt section where smoking is finished, wherein a basis weight of the first coating layer is smaller than a basis weight of the second coating layer.
    Type: Application
    Filed: December 5, 2012
    Publication date: September 17, 2015
    Inventors: Young-Il Jo, Jung-Yeon Park, Seong-Ho Ju, Jong-Oh Kim, Ik won Gwak
  • LOW IGNITION PROPENSITY CIGARETTE PAPER AND CIGARETTE USING THE SAME
    Publication number: 20150173415
    Abstract: A low ignition propensity cigarette paper includes a coating portion including a hydrophobic starch and a hydrophilic starch, and a plurality of pores including a micrometer-size pore and a nanometer-size pore, wherein the hydrophobic starch and the hydrophilic starch cover the micrometer-size pore and the nanometer-size pore.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 25, 2015
    Inventors: Ik won Gwak, Jong-Oh Kim, Seong-Ho Ju, Young-Sin Kim, Kwang Se Lee