Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materials
US-10072380-B2 · Sep 11, 2018 · US
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Treatment of liquors with ion-exchangers
Treatment of liquors with ion-exchangers · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21C11/005 |
| Official title | {Treatment of liquors with ion-exchangers} |
| Display label | Treatment of liquors with ion-exchangers |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.