Patents by Inventor Gyung Don Kang

Gyung Don Kang 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).

  • BIODEGRADABLE RESIN AND METHOD FOR MANUFACTURING SAME
    Publication number: 20130202223
    Abstract: Provided is a biodegradable resin including a urethane bond generated by a reaction of a polyester polymer with a polyvalent isocyanate used as a chain extender. Particularly, provided is a method of preparing a biodegradable resin using a limited amount of the chain extender and having excellent properties, and a biodegradable resin in which nitrogen content is controlled. Therefore, the biodegradable resin which can reduce the use of a harmful component to the human body and environment in the process of preparing the biodegradable resin and can be safely used for packing materials for food or medicine is provided.
    Type: Application
    Filed: April 29, 2011
    Publication date: August 8, 2013
    Applicants: S-ENPOL CO., LTD., SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Gyung Don Kang, Ki Chull Yun, Jong Pil Chun, Ji Soo Ahn, Ye Jin Kim, Sei Hoon Kim, Seong Yong Hong, Sung Bae Park
  • ACETYLATED CELLULOSE ETHER AND ARTICLES COMPRISING THE SAME
    Publication number: 20120296078
    Abstract: Acetylated cellulose ether and an article including the same. The acetylated cellulose ether has a degree of substitution (DS) of alkyl group of 1 to 2, a molar substitution (MS) of hydroxyalkyl group of 0 to 1, and a degree of substitution (DS) of acetyl group of 1 to 2.
    Type: Application
    Filed: October 11, 2010
    Publication date: November 22, 2012
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD.
    Inventors: Gyung Don Kang, Hyun Young Park, Jin Kyu Kang