Patent | Date |
---|
Benzopyranyl tetracycle compound and pharmaceutical composition having excellent anti-inflammatory effect comprising the same Grant 10,160,766 - Park , et al. Dec | 2018-12-25 |
Anti-inflammatory pharmaceutical composition comprising benzopyranyl tetracycles Grant 9,468,641 - Park , et al. October 18, 2 | 2016-10-18 |
Anti-inflammatory Pharmaceutical Composition Comprising Benzopyranyl Tetracycles App 20160038489 - Park; Seung Bum ;   et al. | 2016-02-11 |
Selective membrane having a high fouling resistance Grant 9,089,820 - Koo , et al. July 28, 2 | 2015-07-28 |
Method for preparing a filtration membrane and filtration membrane prepared by said method Grant 8,820,540 - Koo , et al. September 2, 2 | 2014-09-02 |
Selective Membrane Having A High Fouling Resistance App 20120211414 - Koo; Ja-Young ;   et al. | 2012-08-23 |
Method for preparing a filtration membrane and filtration membrane prepared by said method App 20120193284 - Koo; Ja-Young ;   et al. | 2012-08-02 |
Selective membrane having a high fouling resistance Grant 7,913,857 - Koo , et al. March 29, 2 | 2011-03-29 |
Selective membrane having a high fouling resistance Grant 7,537,697 - Koo , et al. May 26, 2 | 2009-05-26 |
Composite polyamide reverse osmosis membrane and method of producing the same Grant 7,479,300 - Koo , et al. January 20, 2 | 2009-01-20 |
Composite polyamide reverse osmosis membrane showing high boron rejection and method of producing the same App 20070227966 - Koo; Ja-young ;   et al. | 2007-10-04 |
High Strength Dual Phase Steel With Low Yield Ratio, High Toughness and Superior Weldability App 20070193666 - Asahi; Hitoshi ;   et al. | 2007-08-23 |
Selective membrane having a high fouling resistance App 20070175821 - Koo; Ja-Young ;   et al. | 2007-08-02 |
Selective membrane having a high fouling resistance App 20070175820 - Koo; Ja-Young ;   et al. | 2007-08-02 |
Composite polyamide reverse osmosis membrane and method of producing the same App 20060219628 - Koo; Ja-Young ;   et al. | 2006-10-05 |
Selective membrane having a high fouling resistance Grant 6,913,694 - Koo , et al. July 5, 2 | 2005-07-05 |
Selective membrane having a high fouling resistance App 20030121844 - Koo, Ja-Young ;   et al. | 2003-07-03 |
Composite polyamide reverse osmosis membrane and method of producing the same Grant 6,368,507 - Koo , et al. April 9, 2 | 2002-04-09 |
Composite polyamide reverse osmosis membrane and method of producing the same Grant 6,245,234 - Koo , et al. June 12, 2 | 2001-06-12 |
Composite polyamide reverse osmosis membrane and method of producing the same Grant 6,015,495 - Koo , et al. January 18, 2 | 2000-01-18 |
Microporous peek membranes and the preparation thereof Grant 4,992,485 - Koo , et al. February 12, 1 | 1991-02-12 |
Novel polyamide reverse osmosis membranes Grant 4,859,384 - Fibiger , et al. August 22, 1 | 1989-08-22 |
Novel polyamide reverse osmosis membranes Grant 4,769,148 - Fibiger , et al. September 6, 1 | 1988-09-06 |