1
Sang Kook Lee, Justin David Bukowski: Vacuum swing adsorption process with controlled waste gas withdrawal. Air Products and Chemicals, John M Fernbacher, November 4, 2003: US06641645 (36 worldwide citation)

A gas transfer segment of a vacuum swing adsorption process cycle utilizing multiple parallel adsorbent beds which undergo cyclic process steps to separate the components of a feed gas mixture, each bed having a feed end and a product end, wherein the gas transfer segment comprises a step of withdra ...


2
David Ross Graham, Justin David Bukowski, Jung Soo Choe, Donn Michael Herron, Sang Kook Lee: Combined cryogenic distillation and PSA for argon production. Air Products and Chemicals, Bryan C Hoke Jr, March 10, 2009: US07501009 (15 worldwide citation)

A method and apparatus for producing high purity argon by combined cryogenic distillation and adsorption technologies is disclosed. Crude argon from a distillation column or a so-called argon column is passed to a system of adsorption vessels for further purification. Depressurization gas from adsor ...


3
Sang Kook Lee, William Thomas Kleinberg: Granular bed restraint system. Air Products and Chemicals, John M Fernbacher, August 12, 2003: US06605135 (7 worldwide citation)

System for restraining the upward motion of granular material in a vessel containing a bed of the granular material through which a fluid flows in an upward direction. The system comprises flexible porous basket within the vessel in contact with the top of the bed of granular material and in contact ...


4
Sang Kook Lee, Justin David Bukowski, Carolyn Taylor Zelson, Mark Ephraim Levine: Pressure swing adsorption method and system with multiple-vessel beds. Air Products and Chemicals, John M Fernbacher, Anne B Kiernan, February 1, 2011: US07879138 (5 worldwide citation)

Pressure swing adsorption process for the separation of a feed gas mixture comprising (a) providing a pressure swing adsorption system comprising one or more composite beds, each composite bed comprising adsorbent material disposed in two or more vessels in parallel flow configuration, each vessel h ...


5
Sang Kook Lee, Robert Paul: Nitrogen PSA with intermediate pressure transfer. Air Products and Chemicals, Geoffrey L Chase, April 14, 1998: US05738709 (2 worldwide citation)

A process for pressure swing adsorption of oxygen from a gas mixture containing at least oxygen and nitrogen to recover an unadsorbed nitrogen enriched product from a plurality of parallel piped adsorbent beds undergoing adsorption, depressurization and repressurization wherein the improvement is co ...


6
Sang Min Hong, Sang Kook Lee, Han Ick Oh, Ki Eon Eom, Jin Han Lee: Plasma display panel. LG Electronics, Fish & Richardson P C, August 18, 2009: US07576495 (1 worldwide citation)

A plasma display panel is disclosed. The plasma display panel includes a front substrate including a first electrode and a second electrode, a rear substrate including a third electrode, and a barrier rib formed between the front and rear substrates. At least one of the first electrode or the second ...


7
Young Bok Lee, Chang Ho Ahn, Won Jun Choi, Lak Shin Jeong, Sang Kook Lee: Nucleoside derivatives and therapeutic use thereof. Rexahn Corporation, Venable, Michael A Gollin, Keith G Haddaway, July 29, 2008: US07405214 (1 worldwide citation)

The present invention relates to nucleoside derivatives represented by general formulas I and II, their synthetic methods and their pharmacologically acceptable salts thereof, and compositions containing such compounds. Methods for treating hyperproliferative disorders by administering the compounds ...


8
Sang Kook Lee, Justin David Bukowski, Carolyn Taylor Zelson, Mark Ephraim Levine: Pressure swing adsorption method and system with multiple-vessel beds. Air Products and Chemicals, Anne B Kiernan, Willard Jones II, September 10, 2013: US08529674

Pressure swing adsorption process for the separation of a feed gas mixture comprising (a) providing a pressure swing adsorption system comprising one or more composite beds, each composite bed comprising adsorbent material disposed in two or more vessels in parallel flow configuration, each vessel h ...


9
Sang Min Hong, Sang Kook Lee, Han Ick Oh, Ki Eon Eom, Jin Han Lee: Plasma display panel. LG Electronics, KED & Associates, January 26, 2010: US07652427

A plasma display panel is disclosed. The plasma display panel includes a front substrate on which first and second electrodes are formed in parallel to each other, a rear substrate on which a third electrode is formed to intersect the first and second electrodes, and a barrier rib, formed between th ...


10
Sang Kook Lee, Joong Kyun Kim: Plasma display panel and method for manufacturing the same. LG Electronics, Ked & Associates, December 16, 2008: US07466079

The present invention relates to a plasma display panel and method for manufacturing the same in which electron discharge characteristic is improved and a voltage margin can be secured. According to a first embodiment of the present invention, a plasma display panel including a plurality of a pair o ...