A liquid-liquid-solid extraction process for isolating natural products from a feedstock stream
US-2025361460-A1 · Nov 27, 2025 · US
with stationary contacting elements, sieve plates or loose contacting elements
with stationary contacting elements, sieve plates or loose contacting elements · 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 | B01D11/043 |
| Official title | {with stationary contacting elements, sieve plates or loose contacting elements} |
| Display label | with stationary contacting elements, sieve plates or loose contacting elements |
| Total patents | 64 |
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 | 11 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pulsed column for liquid-liquid extraction with packing
US-2025170550-A1 · May 29, 2025 · US
Valve trays in extraction columns
US-2024299864-A1 · Sep 12, 2024 · US
Acoustically settled liquid-liquid sample purification system and method of use
US-11865475-B2 · Jan 9, 2024 · US
Functionalized ionic liquid for solvating heavy aromatic compounds
US-11807610-B2 · Nov 7, 2023 · US
Liquid-liquid extraction of vacuum resid-containing fluid
US-11801454-B2 · Oct 31, 2023 · US
Functionalized ionic liquid for solvating heavy aromatic compounds
US-2023250061-A1 · Aug 10, 2023 · US
Process and facility for recovering methoxypropanols from an aqueous stream
US-11697631-B2 · Jul 11, 2023 · US
Process and facility for recovering methoxypropanols from an aqueous stream
US-2023122837-A1 · Apr 20, 2023 · US
Process for recovering acrylic acid
US-2023103803-A1 · Apr 6, 2023 · US
Liquid-liquid extraction of vacuum resid-containing fluid
US-2022410031-A1 · Dec 29, 2022 · US
Method for purifying an aqueous-alcoholic feedstock comprising ethanol and acetaldehyde
US-2022226749-A1 · Jul 21, 2022 · US
Acoustically Settled Liquid-Liquid Sample Purification System and Method of Use
US-2022054954-A1 · Feb 24, 2022 · US
Acoustically settled liquid-liquid sample purification system
US-11173417-B2 · Nov 16, 2021 · US
Extraction of heavy polynuclear aromatics from heavy oil
US-10934493-B1 · Mar 2, 2021 · US
Acoustically Settled Liquid-Liquid Sample Purification System
US-2020353378-A1 · Nov 12, 2020 · US
System and method for catalyst removal from mto effluent
US-2020298224-A1 · Sep 24, 2020 · US
Device for controlling interface of liquid-liquid extraction column using pressure equilibrium
US-10729989-B2 · Aug 4, 2020 · US
Acoustically settled liquid-liquid sample purification system
US-10610804-B2 · Apr 7, 2020 · US
Integrated process for activating hydroprocessing catalysts with in-situ produced sulfides and disulphides
US-10400183-B2 · Sep 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D11/043?
- CPC B01D11/043 is the Cooperative Patent Classification code for “with stationary contacting elements, sieve plates or loose contacting elements.”
- How many patents are filed under CPC B01D11/043 (with stationary contacting elements, sieve plates or loose contacting elements)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC B01D11/043 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).