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19176118 · CHEMICAL LOOPING GASIFICATION METHOD FOR IRON-RICH SLUDGE

Filed 2025-04-10 · Granted · Patent 12503659 (2025-12-23) The official file ↗The patent and its PDF ↗ · Art unit 1772 · Examiner Sharon Pregler Typical · CPC B01J 35/733 · Shandong University of Science and Technology · Tony Hom (Whiskey)

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first was Notice of allowance
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To first action
4.6 mo
to disposition 8.4 mo
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