Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649316 | Composition for forming environmentally friendly polyurethane foam and method for manufacturing polyurethane foam | Gwang Seok SONG, Seung Hyun YOO, Hoon Ryu, Jun Seop IM | 2023-05-16 |
| 10919907 | Anhydrous sugar alcohol flakes and manufacturing method therefor | Hoon Ryu, Jun Seop IM | 2021-02-16 |
| 9505777 | Method for preparing anhydrous sugar alcohol | Hoon Ryu, Young-Jae Jung, Jin Kyung Kim, Do Hyun Kyung, Seong Ho Cho | 2016-11-29 |
| 9399212 | Method for producing anhydrosugar alcohol through continuous dehydration reaction of hydrogenated sugar | Hoon Ryu, Young-Jae Jung, Jin Kyung Kim, Do Hyun Kyung, Seong Ho Cho | 2016-07-26 |
| 9260447 | Method for preparing high-purity anhydrosugar alcohol having improved yield by using waste from crystallization step | Hoon Ryu, Young-Jae Jung, Jin Kyung Kim, Do Hyun Kyung, Seong Ho Cho | 2016-02-16 |
| 9169180 | Method for preparing an anhydrosugar alcohol using hydrol | Hoon Ryu, Young-Jae Jung, Jin Kyung Kim, Do Hyun Kyung, Seong Ho Cho | 2015-10-27 |
| 9169263 | Method for preparing high-purity anhydrosugar alcohol using sequential combination of thin film distillation and short path distillation | Hoon Ryu, Young-Jae Jung, Jin Kyung Kim, Do Hyun Kyung, Seong Ho Cho | 2015-10-27 |