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USPTO Patent Rankings Data through Sept 30, 2025
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Changkun Liu

Shenyang, NJ: #1 of 1 inventorsTop 100%
Overall (2021): #498,227 of 548,734Top 95%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11078223 Composite phosphorus flame retardant comprising cyclic organophosphate with multiple DOPO moieties and preparation method thereof Hongliang Zheng 2021-08-03