Patents by Inventor Seung-Dae Ahn

Seung-Dae Ahn 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).

  • Flame-retardant polyolefin resin containing piperazine-based metal salt blend
    Patent number: 9221961
    Abstract: Provided herein is a flame-retardant polyolefin resin containing a blend which comprises 1-80 wt % of piperazine metal salts or polymers thereof, 10-80.0 wt % of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt % of inorganic compounds, wherein the sum of the components of the blend is 100 wt %.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: December 29, 2015
    Assignees: DOOBON INC., LOTTE CHEMICAL CORPORATION
    Inventors: Dae Hee Lee, Seong Wook Lee, Sang-Bum Kim, Chang-Gyou Kim, Seung-Dae Ahn, Jong-In Ahn
  • FLAME-RETARDANT POLYOLEFIN RESIN CONTAINING PIPERAZINE-BASED METAL SALT BLEND
    Publication number: 20130296467
    Abstract: The present invention relates to a flame-retardant polyolefin resin containing a blend which comprises 0.1-80 wt % of piperazine metal salts or polymers thereof, 10-80.0 wt % of nitrogen-containing synergists or phosphorus/nitrogen retardants, and 1-50 wt % of inorganic compounds, wherein the sum of the components of the blend is 100 wt %.
    Type: Application
    Filed: December 14, 2011
    Publication date: November 7, 2013
    Inventors: Dae Hee Lee, Seong Wook Lee, Sang-Bum Kim, Chang-Gyou Kim, Seung-Dae Ahn, Jong-In Ahn