Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338323 | Method for preparing polyamide by anion ring-opening polymerization and polyamide prepared thereby | Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon, Hye Yeon LEE, Kyoung Won Yim | 2025-06-24 |
| 12269921 | Polycarbonate copolymer, method for preparing same, and composition comprising same | Jin Seo Lee, Do Hyun SEO, Min Jae Jeong, Seung-Hwan Moon | 2025-04-08 |
| 12215194 | Method for producing polyamide comprising amide-based molecular weight modifier, and polyamide produced thereby | Kyung Ho Kwon, Seung Hoe Do, Jin Seo Lee, Dae Hak Kim, Kyoung Won Yim +1 more | 2025-02-04 |
| 12054681 | Solvent composition prepared from waste oil and method of preparing the same | Hee Jung Jeon, Jeong Eop Choi, Seung Woo Lee, Yoon Kyung Lee | 2024-08-06 |
| 11884638 | Compound or salt thereof, composition for cysteine detection, fluorescent probe and composition for diagnosing cancer containing the same, method for detecting cysteine, method for providing information for diagnosing cancer, and method for producing compound | Chang Wook Jeong, Jong Min An | 2024-01-30 |
| 11858886 | Process of selectively hydrogenating gas mixture having high acetylene content | Dong Min Yun, Ju Hwan Im, Hee Soo Kim, Dae Hyun Choo | 2024-01-02 |
| 11814589 | Solvent composition prepared from waste oil and method of preparing the same | Ka Young Kim, Jeong Eop Choi, Ok Youn Kim, Hee Soo Kim, Young Moo Park +3 more | 2023-11-14 |
| 11814480 | Method for producing polyamide with controlled activator addition, and polyamide produced thereby | Hye Yeon LEE, Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon, Dae Hak Kim +1 more | 2023-11-14 |
| 11788015 | Method of producing selective naphtha oil through secondary pyrolysis of waste oil | Ka Young Kim, Hee Soo Kim, Chang Q Lee | 2023-10-17 |
| 11718713 | Method for producing polyamide by coordinated anionic ring-opening polymerization, and polyamide produced thereby | Hye Yeon LEE, Dae Hak Kim, Seung Hoe Do, Jin Seo Lee, Kyung Ho Kwon +1 more | 2023-08-08 |
| 11433639 | Lightweight sandwich steel sheet using polyamide, and manufacturing method therefor | Dae Hak Kim, Seung Hoe Do, Jin Seo Lee, Kyoung Won Yim, Kyung Ho Kwon +1 more | 2022-09-06 |
| 10544374 | Process for reducing haze in heavy base oil and hydroisomerization catalyst system having reduced haze | Do Woan Kim, Seung Woo Lee, Yoon Kyung Lee, Seon Ju Lim | 2020-01-28 |
| 10406510 | Catalyst containing metal cluster in structurally collapsed zeolite, and use thereof | Min Kee CHOI, Ju Hwan Im, Do Woan Kim, Tae Jin Kim, Seung Hoon Oh +1 more | 2019-09-10 |
| 10155219 | Catalyst containing metal cluster in structurally collapsed zeolite, and use thereof | Min Kee CHOI, Ju Hwan Im, Do Woan Kim, Tae Jin Kim, Seung Hoon Oh +1 more | 2018-12-18 |
| 8980082 | Method of simultaneously removing sulfur and mercury from hydrocarbon material using catalyst by means of hydrotreating reaction | Do Woan Kim, Sang Il Lee, Seung Hoon Oh, Woo Kyung Kim, Han Seung Pan +3 more | 2015-03-17 |
| 6627167 | Catalyst for automotive lean-burn engine and process for preparing the same | Seong-Ihl Woo, Do Heui KIM | 2003-09-30 |