Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868063 | Polymeric lubricant having multi layer structure and manufacturing method thereof | Jeong Heon Ahn, Yong Hun Lee, Jung Sup Han | 2011-01-11 |
| 7632892 | Acrylic copolymer composition, method for preparing acrylic copolymer, and vinyl chloride resin composition containing the acrylic copolymer | Yong Hun Lee, Jung Sup Han | 2009-12-15 |
| 7173082 | Acrylic impact modifier prepared by multi-stage polymerization and method for preparing the same | Jeong Heon Ahn, Chang Sun Han, Yong Hun Lee, Seon Hee Han, Kwang-Jin Lee | 2007-02-06 |