Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391776 | Method for producing ethylene-carboxylic acid copolymer | In Hyoup Song, Jang Hoon Ock, Jung Ah Lee, Wan Ju Jeong | 2025-08-19 |
| 11905346 | Washing methods for ethylene-acrylic acid copolymer manufacturing process using solvent | Byoung Kyu Kwak, Sun Joo Kim, Kyung Jin Ma, Doh Yeon Park, Jae Eun Lee +5 more | 2024-02-20 |
| 9376353 | Method of producing aromatic hydrocarbons and olefin from hydrocarbonaceous oils comprising large amounts of polycyclic aromatic compounds | Cheol Joong Kim, Sung Won Kim, Sang Hun Oh, Il Yong Jeong, Kang Seok Go +10 more | 2016-06-28 |
| 9283553 | Hydrocracking catalyst for preparing valuable light aromatic hydrocarbons from polycyclic aromatic hydrocarbons | Do Woan Kim, Jae Hyun Koh, Sang Il Lee, Seung Woo Lee, Seung Hoon Oh +5 more | 2016-03-15 |
| 9062262 | Process for 1,3-butadiene separation from a crude C4 stream with acetylene converter | Hee Du Lee, Kyung Jong Oh, Min-Su Ko, Min Gyoo PARK, Seong Jun Lee +5 more | 2015-06-23 |
| 9056308 | Catalyst for catalytic cracking of hydrocarbon, which is used in production of light olefin and production method thereof | Dae Hyun Choo, Suk Joon Kim, Ji Min Kim, Tae Jin Kim, Sun Choi +9 more | 2015-06-16 |
| 8975462 | Method for producing high-added-value aromatic products and olefinic products from an aromatic-compound-containing oil fraction | Sung Won Kim, Yong Seung Kim, Sang Hun Oh, Soo Kil KANG, Hyuck-Jae Lee +4 more | 2015-03-10 |
| 8962901 | Method of producing valuable aromatics and olefins from hydrocarbonaceous oils derived from coal or wood | Yong Seung Kim, Sung Won Kim, Sang Hun Oh, Hyuck-Jae Lee, Dae Hyun Choo +13 more | 2015-02-24 |
| 8962900 | Method for producing valuable aromatics and light paraffins from hydrocarbonaceous oils derived from oil, coal or wood | Yong Seung Kim, Sang Hun Oh, Hyuck-Jae Lee, Jae Suk Koh, Gyung Rok Kim +9 more | 2015-02-24 |
| 8673802 | Catalyst for catalytic cracking of hydrocarbon, which is used in production of light olefin and production method thereof | Dae Hyun Choo, Suk Joon Kim, Ji Min Kim, Tae Jin Kim, Sun Choi +9 more | 2014-03-18 |
| 8293961 | Catalytic cracking process using fast fluidization for the production of light olefins from hydrocarbon feedstock | Sun Choi, Yong Seung Kim, Deuk Soo Park, Suk Joon Kim, Ji Min Kim +3 more | 2012-10-23 |
| 7071869 | Radar system using quadrature signal | In-sang Song, Song Cheol Hong, Sang Soo Ko, Jeong Geun Kim | 2006-07-04 |
| 4916016 | Metal or plastic-clad polyvinyl resin laminates | William W. Bristowe | 1990-04-10 |
| 4816526 | Polyimide/polyetherimide resin blends | William W. Bristowe | 1989-03-28 |
| 4757120 | Polyimide/aromatic sulfone resin blends and prepegs coated therewith | William W. Bristowe | 1988-07-12 |