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Patent applications and USPTO patent grants for Chang; Ching-Tu.The latest application filed is for "method for solidifying and stabilizing waste acid".
Patent | Date |
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Method for solidifying and stabilizing waste acid Grant 8,430,803 - Huang , et al. April 30, 2 | 2013-04-30 |
Method for solidifying and stabilizing waste acid Grant 8,227,655 - Huang , et al. July 24, 2 | 2012-07-24 |
Method For Solidifying And Stabilizing Waste Acid App 20120041249 - HUANG; CHING-TSUEN ;   et al. | 2012-02-16 |
Method for solidifying and stabilizing waste acid App 20110218377 - Huang; Ching-Tsuen ;   et al. | 2011-09-08 |
Vermiculite supported catalyst for CO preferential oxidation and the process of preparing the same Grant 7,541,311 - Chen , et al. June 2, 2 | 2009-06-02 |
Vermiculite supported catalyst for CO preferential oxidation and the process of preparing the same App 20090062116 - CHEN; CHAO-YUH ;   et al. | 2009-03-05 |
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