Enhanced emulsion liquid membranes for extraction of pollutants from water
US-11648512-B2 · May 16, 2023 · US
using emulsion-type membranes · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D61/40 |
| Official title | using emulsion-type membranes |
| Display label | using emulsion-type membranes |
| Total patents | 6 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 1 |
| 2021 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11648512-B2 · May 16, 2023 · US
US-11185827-B2 · Nov 30, 2021 · US
US-2021121825-A1 · Apr 29, 2021 · US
US-2019015790-A1 · Jan 17, 2019 · US
US-9499715-B2 · Nov 22, 2016 · US
US-2016244630-A1 · Aug 25, 2016 · US