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Chen Changping — 2 Patents

Overall (All Time): #2,094,220 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8232348 Masterbatch and polymer composition — 2012-07-31
8067485 Masterbatch and polymer composition — 2011-11-29

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