Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396636 | Mineral base oil having improved low temperature property, method for manufacturing same, and lubrication oil product comprising same | Seung Eon Lee, Jin Hee Ok, Kyung Seok Noh, Jun Soo Park, Yong Rae Cho | 2022-07-26 |
| 11352580 | Mineral base oil having high viscosity index and improved volatility and method of manufacturing same | Kang-Min Jung, Kyung Seok Noh, Yong Rae Cho | 2022-06-07 |
| 11225616 | Method of producing lubricating base oil from feedstock comprising diesel fraction, and lubricating base oil produced thereby | Seung Eon Lee, Jin Hee Ok | 2022-01-18 |
| 9714209 | Estolide compound and method for preparing the same | Yong Woo Kim, Hee Jung Jeon, Wan Seop Kwon, Jin Hee Ok | 2017-07-25 |
| 9637701 | Estolide compound containing ketone functional group and method for preparing the same | Yong Woo Kim, Hee Jung Jeon, Wan Seop Kwon, Jin Hee Ok | 2017-05-02 |
| 5047500 | Aromatic polyamide fiber free of crystal defect layers perpendicular to the fiber axis | Ho Joon Park, Moo S. Rhim, Du Hyun Kim, Seog C. Yoo, Sang Hoon Kim +4 more | 1991-09-10 |
| 4971744 | Two-stage process for preparing aromatic polyamide film | Ho Joon Park, Moo S. Rhim, Du Hyun Kim, Seog O. Yoo, Sang Hoon Kim +4 more | 1990-11-20 |
| 4876040 | Two-stage process for preparing aromatic polyamide fiber | Ho Joon Park, Moo S. Rhim, Du Hyun Kim, Seog C. Yoo, Sang Hoon Kim +4 more | 1989-10-24 |
| 4460649 | Composite fiber | Yeun Ha PARK, Jong L. Woo | 1984-07-17 |