Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420255 | Apparatus and method for esterification reaction | Yeon Uk Choo, Sung Kyu Lee, Hyoung Jun, Hyun Kyu Kim, Jin-Sung Park | 2025-09-23 |
| 12337262 | Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product | Yeon Uk Choo, Sung Kyu Lee, Hyun Kyu Kim, Hyoung Jun, Jin-Sung Park | 2025-06-24 |
| 12290769 | Diester-based material production unit and diester-based material production system including the same | Jae Hun JEONG, Sung Kyu Lee, Yeon Uk Choo, Hyoung Jun, Hyun Kyu Kim +1 more | 2025-05-06 |
| 12186729 | System and method for manufacturing diester-based composition | Yeon Uk Choo, Sung Kyu Lee, Joon Ho Shin, Hyoung Jun | 2025-01-07 |
| 11975991 | Neutralization/water separation device for esterified product and neutralization/water separation method for esterified product | Yeon Uk Choo, Sung Kyu Lee, Hyun Kyu Kim, Hyoung Jun, Jin-Sung Park | 2024-05-07 |
| 11840510 | System and method for manufacturing ester-based composition | Hyun Kyu Kim, Sung Kyu Lee, Hyoung Jun, Jeong Ju Moon, Joo Ho Kim | 2023-12-12 |
| 11794162 | Heat exchange system and preparation system of diester-based composition comprising the same | Jae Hun JEONG, Sung Kyu Lee, Yeon Uk Choo, Hyoung Jun | 2023-10-24 |
| 11512166 | Method and system for manufacturing ester-based composition | Hyun Kyu Kim, Jeong Ju Moon, Hyoung Jun, Sung Kyu Lee, Joo Ho Kim | 2022-11-29 |
| 11111203 | System and method for manufacturing ester-based composition | Hyun Kyu Kim, Sung Kyu Lee, Jeong Ju Moon, Hyoung Jun | 2021-09-07 |
| 11104636 | System and method for manufacturing ester-based composition | Hyun Kyu Kim, Sung Kyu Lee, Hyoung Jun, Jeong Ju Moon, Joo Ho Kim | 2021-08-31 |
| 11021432 | System for continuously purifying reaction product of esterification | Hyun Kyu Kim, Sung Kyu Lee, Hyoung Jun, Jeong Ju Moon, Joo Ho Kim | 2021-06-01 |