Formaldehyde-free lignin-amine coagulants
US-9181405-B2 · Nov 10, 2015 · US
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Dong Hongchen patents in 2015
Dong Hongchen was listed as an assignee on 1 patent publication in 2015.
| Metric | Value |
|---|---|
| Company | Dong Hongchen |
| Year | 2015 |
| Patents | 1 |
Patents
Representative publications for Dong Hongchen in 2015.
Top CPC classifications
Most common classification codes for Dong Hongchen in 2015.
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