Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11434358 | Matrix copolymer, graft copolymer, and thermoplastic resin composition | Seok Goo Jang, Sang Hoo PARK, Hyung Seop Shim, Jeong Su Choi, Keun Hoon Yoo +4 more | 2022-09-06 |
| 11421103 | Method for preparing graft copolymer powder | Jong Ju LEE, Jeong Su Choi, Won Seok Lee, Roo Da LEE, Ho Hoon KIM +4 more | 2022-08-23 |
| 11312852 | Method for preparing graft copolymer complex, graft copolymer complex, and thermoplastic resin composition comprising graft copolymer complex | Sang Hoo PARK, Seok Goo Jang, Ho Hoon KIM, Hyung Seop Shim, Jeong Su Choi +4 more | 2022-04-26 |
| 11267964 | Thermoplastic resin composition and thermoplastic resin molded article prepared by using the same | Jeong Su Choi, Won Seok Lee, Roo Da LEE, Jong Ju LEE, Keun Hoon Yoo +4 more | 2022-03-08 |
| 10941289 | Graft copolymer, thermoplastic resin composition including graft copolymer, and method of preparing thermoplastic resin composition | Hyung Seop Shim, Won Seok Lee, Seok Goo Jang, Sang Hoo PARK, Jeong Su Choi +4 more | 2021-03-09 |
| 10703896 | Transparent thermoplastic resin and method of preparing the same | Jeong Su Choi, Won Seok Lee, Seok Goo Jang, Roo Da LEE, Sang Hoo PARK +3 more | 2020-07-07 |
| 10689473 | Graft copolymer, method of preparing graft copolymer, thermoplastic resin composition including graft copolymer, and molded part including thermoplastic resin composition | Seok Goo Jang, Jeong Su Choi, Won Seok Lee, Roo Da LEE, Sang Hoo PARK +3 more | 2020-06-23 |
| 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, Wang Rae Joe, Kyung Soo Kim | 2020-02-25 |
| 10435347 | Method for preparing acrylic acid from glycerin | Kyung Soo Kim, Jun Seon Choi, Ji Yeon Kim, Joo Young Cheon, Wang Rae Joe | 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, Wang Rae Joe, Kyung Soo Kim | 2018-08-14 |
| 9409157 | Catalyst for reforming hydrocarbons | Dong Ju Moon, Young Chul Kim | 2016-08-09 |