Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359006 | Composition for polymerizing vinyl chloride-based polymer and method for preparing vinyl chloride-based polymer using same | Se Woong Lee, Heung Kwon Bae, Hyun Min Lee, Joong Chul Lim, Jung Rae Lee | 2025-07-15 |
| 12343774 | Reactor cleaning method | Jong Hun Song, Hong Min Lee, Moon Sub Hwang, Jeong-Seok Lee | 2025-07-01 |
| 12037442 | Post-treatment method of vinyl chloride-based polymer and closed post-treatment system for the same | Heung Kwon Bae, Hyun Min Lee, Joong Chul Lim, Se Woong Lee, Jung Rae Lee | 2024-07-16 |
| 12017209 | Sparger and reactor comprising the same | Hong Min Lee, Moon Sub Hwang, Min Ho Sun, Jong Hun Song, Jeong-Seok Lee | 2024-06-25 |
| 11964925 | Method for preparing oligomer | Jong Hun Song, Min Ho Sun, Hong Min Lee, Hyun-Seok Kim, Moon Sub Hwang +1 more | 2024-04-23 |
| 11939278 | Method of producing oligomer | Min Ho Sun, Jong Hun Song, Hong Min Lee, Moon Sub Hwang, Jeong-Seok Lee | 2024-03-26 |
| 11938457 | Apparatus for preparing oligomer | Hong Min Lee, Jeong-Seok Lee, Jong Hun Song, Dong Kwon Lee, Moon Sub Hwang | 2024-03-26 |
| 11926682 | Method for preparing polymerization initiator composition | Heung Kwon Bae, Jung Rae Lee, Hyun Min Lee, Joong Chul Lim, Min-Jeong Kang | 2024-03-12 |
| 11912810 | Composition for preparing vinyl chloride-based polymer and method for preparing vinyl chloride-based polymer using the same | Heung Kwon Bae, Jung Rae Lee, Hyun Min Lee, Joong Chul Lim, Min-Jeong Kang | 2024-02-27 |
| 11904291 | Apparatus for preparing oligomer | Moon Sub Hwang, Min Ho Sun, Jong Hun Song, Jeong-Seok Lee, Hong Min Lee | 2024-02-20 |
| 11833484 | Apparatus for preparing oligomer | Moon Sub Hwang, Jeong-Seok Lee, Hong Min Lee, Jong Hun Song, Min Ho Sun +1 more | 2023-12-05 |
| 11731919 | Apparatus for preparing oligomer | Jong Hun Song, Jeong-Seok Lee, Hong Min Lee, Moon Sub Hwang, Min Ho Sun | 2023-08-22 |
| 11124639 | Method for preparing polyvinyl chloride | Heung Kwon Bae, Jung Rae Lee, Hyun Min Lee | 2021-09-21 |
| 10752709 | Vinyl chloride-based polymer composition and method for producing the same | Jung Rae Lee, Heung Kwon Bae, Hyun Min Lee | 2020-08-25 |
| 10676548 | Vinyl chloride-based polymer, method of preparing the same, and plastisol including the polymer | Heung Kwon Bae, Hyun Min Lee, Jung Rae Lee | 2020-06-09 |
| 10301407 | Vinyl chloride-based polymer and method for preparing the same | Jung Rae Lee, Heung Kwon Bae, Hyun Min Lee | 2019-05-28 |
| 10227424 | Vinyl chloride polymer and preparation method thereof | Heung Kwon Bae, Jung Rae Lee, Kyung-Hyun Kim, Hyun Min Lee | 2019-03-12 |
| 10093760 | Vinyl chloride-vinyl acetate copolymer and method of preparing the same | Chan Hee Lee, Kwang-Jin Lee, Hyun Min Lee | 2018-10-09 |
| 10040878 | Vinyl chloride polymer and preparation method thereof | Hyun Min Lee, Chan Hee Lee, Heung Kwon Bae, Kwang-Jin Lee, Kyung-Hyun Kim +1 more | 2018-08-07 |
| 9688793 | Preparation method of vinyl chloride polymer and vinyl chloride polymer prepared thereby | Hyun Min Lee, Chan Hee Lee, Heung Kwon Bae, Kwang-Jin Lee, Kyung-Hyun Kim +1 more | 2017-06-27 |
| 9617364 | Vinyl chloride polymer and preparation method thereof | Kyung-Hyun Kim, Hyun Min Lee, Yong Jin Kim, Heung Kwon Bae, Jung Rae Lee | 2017-04-11 |
| 9580566 | Oriented film | Seung Young Park, Jung Min Sohn | 2017-02-28 |
| 9382386 | Lactide copolymer, method for preparing same, and resin composition comprising same | Jung Min Sohn, Seung Young Park, Seung Ho Choi | 2016-07-05 |
| 9382385 | Lactide copolymer, and resin composition and film comprising same | Jung Min Sohn, Seung Young Park, Seung Ho Choi | 2016-07-05 |
| 9163134 | Highly functional additive for polymerization and method for preparing vinyl chloride seeds using the same | Hyun Sup Lee, Han Hong Kim | 2015-10-20 |