Reactive monomer separation device
US-2026084075-A1 · Mar 26, 2026 · US
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Head- and bottom stream
Head- and bottom stream · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D3/4227 |
| Official title | {Head- and bottom stream} |
| Display label | Head- and bottom stream |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reactive monomer separation device
US-2026084076-A1 · Mar 26, 2026 · US
Stable isotope concentration method
US-12151208-B2 · Nov 26, 2024 · US
Recovering Mono-ethylene Glycol
US-2024182391-A1 · Jun 6, 2024 · US
Process for de-polymerization of styrenic monomer-containing polymers and for retrieval of styrenic monomers
US-11999686-B2 · Jun 4, 2024 · US
Bioderived heat transfer fluids and methods of making the same
US-11725093-B2 · Aug 15, 2023 · US
Stable isotope concentration method
US-2023104429-A1 · Apr 6, 2023 · US
Process and apparatus for heating stream from a separation vessel
US-2022219097-A1 · Jul 14, 2022 · US
Process for de-polymerization of styrenic monomer-containing polymers and for retrieval of styrenic monomers
US-2022081372-A1 · Mar 17, 2022 · US
Bioderived heat transfer fluids and methods of making the same
US-2021261749-A1 · Aug 26, 2021 · US
Process for the production of high purity isobutylene
US-11053177-B2 · Jul 6, 2021 · US
Process for the production of high purity isobutylene
US-2020062676-A1 · Feb 27, 2020 · US
Alkylene oxide separation system
US-10513502-B2 · Dec 24, 2019 · US
Alkylene oxide separation system
US-2019241534-A1 · Aug 8, 2019 · US
Process for recovering heat from a hydrocarbon separation
US-10315971-B2 · Jun 11, 2019 · US
Process for recovering heat from a hydrocarbon separation
US-2018185766-A1 · Jul 5, 2018 · US
Trihalosilane refining method
US-8968521-B2 · Mar 3, 2015 · US