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Patent applications and USPTO patent grants for Hwang; Donguk.The latest application filed is for "cleaning composition for removing oxide and method of cleaning using the same".
Patent | Date |
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Cleaning composition for removing oxide and method of cleaning using the cleaning composition Grant 11,319,508 - Im , et al. May 3, 2 | 2022-05-03 |
Cleaning Composition For Removing Oxide And Method Of Cleaning Using The Same App 20170369821 - Im; Sungsoon ;   et al. | 2017-12-28 |
Cleaning Composition For Removing Oxide And Method Of Cleaning Using The Cleaning Composition App 20160186100 - Im; Sungsoon ;   et al. | 2016-06-30 |
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