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Methods for producing a methanol precursor, methanol, and a methyl ester from methane in high purities

Hyun Joo Lee, Ung Lee, He Won Lee, Tran Huyen Dang, Seok Hyeon Cheong

US Patent 11,021,429

Alkali metal-incorporated chalcopyrite compound-based thin film and method of fabricating the same

Byoung Koun Min, Yun Jeong Hwang, Hyung-Suk Oh, Ung Lee, WON Dahye, Dong Ki Lee, Joo-hyun Kim, Min Kyu Kim

US Patent App. 16/397,334

Method of acid saccharification of biomass

Jeong-Myeong Ha, Hyemin Yang, Ye Seul Jeong, Jae Wook Choi, Dong Jin Suh, Young Hyun Yoon, Gi Seok Yang, Ung Lee

US Patent 10,793,537

Hydroxyl group-containing amine-based sulfur dioxide and sulfurous acid absorbent, and method for preparing the same

Hyun Joo Lee, Ung Lee, Hong Gon Kim, Shinhye Cho, He Won Lee

US Patent App. 16/454,566

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