Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325791 | Thermoplastic resin composition | Da-Eun Sung, Tae Hoon Kim, Chun Ho Park, Yong Hee AN, Ho Hoon KIM +1 more | 2025-06-10 |
| 11820851 | Method of preparing graft copolymer powder | Min Jung Kim, Yong Yeon Hwang, Bong Keun Ahn, Jang Won Park, Ji Yoon Jeon | 2023-11-21 |
| 11384189 | Graft copolymer, and thermoplastic resin composition and thermoplastic resin molded article comprising the same | Min Jung Kim, Bong Keun Ahn, Yong Yeon Hwang, Jang Won Park | 2022-07-12 |
| 11377515 | Method for preparing graft copolymer and graft copolymer | Bong Keun Ahn, Min Jung Kim, Yong Yeon Hwang, Jang Won Park, Ji Yoon Jeon | 2022-07-05 |
| 11326050 | Method of preparing graft copolymer, graft copolymer, and thermoplastic resin molded article including graft copolymer | Bong Keun Ahn, Min Jung Kim, Jang Won Park, Yong Yeon Hwang, Ji Yoon Jeon | 2022-05-10 |
| 11091625 | Thermoplastic resin composition of copolymers and method of preparing the same | Chun Ho Park, Yong Yeon Hwang, Bong Keun Ahn, Min Jung Kim, Yong Hee AN +3 more | 2021-08-17 |
| 11034778 | Method of preparing graft copolymer | Bong Keun Ahn, Min Jung Kim, Yong Yeon Hwang, Jang Won Park | 2021-06-15 |
| 10569259 | Catalyst for dehydration of glycerin, preparation method thereof, and production method of acrolein using the catalyst | Jun Seon Choi, Ji Yeon Kim, Joo Young Cheon, Hye Jeong Ok, Kyung Soo Kim | 2020-02-25 |
| 10487052 | Synthesis method of N-substituted maleimide using solid acid catalysts | Joo Young Cheon, Jun Seon Choi, Ji Yeon Kim, Kyung Soo Kim, Eung Seob Yeom +1 more | 2019-11-26 |
| 10464050 | Dehydration catalyst for preparing N-substituted maleimide, preparation method thereof, and method of preparing N-substituted maleimide | Ji Yeon Kim, Jun Seon Choi, Joo Young Cheon, Kyung Soo Kim | 2019-11-05 |
| 10435347 | Method for preparing acrylic acid from glycerin | Kyung Soo Kim, Jun Seon Choi, Ji Yeon Kim, Joo Young Cheon, Hye Jeong Ok | 2019-10-08 |
| 10046307 | Catalyst for glycerin dehydration, preparation method therefor, and acrolein preparation method using catalyst | Ji Yeon Kim, Jun Seon Choi, Joo Young Cheon, Hye Jeong Ok, Kyung Soo Kim | 2018-08-14 |
| 9527065 | Catalyst for glycerin dehydration, preparation method thereof, and preparation method of acrolein | Ji Yeon Kim, Jun Seon Choi, Joo Young Cheon | 2016-12-27 |
| 9327276 | Catalyst for glycerin dehydration, preparation method thereof, and preparation method of acrolein | Jun Seon Choi, Ji Yeon Kim, Joo Young Cheon | 2016-05-03 |
| 9321040 | Catalyst for glycerin dehydration, preparation method thereof, and preparation method of acrolein | Jun Seon Choi, Ji Yeon Kim, Joo Young Cheon | 2016-04-26 |
| 9259718 | Method for preparing catalyst for glycerin dehydration, and method for preparing acrolein | Jun Seon Choi, Ji Yeon Kim, Joo Young Cheon | 2016-02-16 |