Production of organic acid from monovalent acid salt via electrodialysis using a two-compartment electrodialysis unit
US-2026091354-A1 · Apr 2, 2026 · US
comprising the membrane sequence BC or CB
comprising the membrane sequence BC or CB · 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 | B01D61/466 |
| Official title | {comprising the membrane sequence BC or CB} |
| Display label | comprising the membrane sequence BC or CB |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 12 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon dioxide electrolytic device and method of controlling carbon dioxide electrolytic device
US-12546017-B2 · Feb 10, 2026 · US
Production of organic acid from monovalent acid salt via electrodialysis using a three-compartment electrodialysis unit
US-2026034514-A1 · Feb 5, 2026 · US
System and method for biological methane gas generation and removal of carbon dioxide therefrom
US-12415976-B2 · Sep 16, 2025 · US
Chemical free extraction of lithium from brine
US-2025230074-A1 · Jul 17, 2025 · US
Method of extracting metal from salt solution derived from spent battery
US-2025149669-A1 · May 8, 2025 · US
Multi-stage bipolar electrodialysis system for high concentration acid or base production
US-12257551-B2 · Mar 25, 2025 · US
Three-Compartment Bipolar Membrane Electrodialysis Of Salts Of Amino Acids
US-2025091013-A1 · Mar 20, 2025 · US
Membranes for enhancing rates of water dissociation and water formation
US-12233381-B2 · Feb 25, 2025 · US
Three-compartment bipolar membrane electrodialysis of salts of amino acids
US-12186709-B2 · Jan 7, 2025 · US
Wastewater treatment system
US-2024173673-A1 · May 30, 2024 · US
Devices for urea electrolysis and methods of using same
US-2024165309-A1 · May 23, 2024 · US
Devices for urea electrolysis and methods of using same
US-11925737-B2 · Mar 12, 2024 · US
Dual-membrane on-line generator for acid or alkali solution
US-11827990-B2 · Nov 28, 2023 · US
Carbon dioxide electrolytic device and method of controlling carbon dioxide electrolytic device
US-2023295812-A1 · Sep 21, 2023 · US
System and method of treating waste water
US-11673818-B2 · Jun 13, 2023 · US
Wastewater treatment system and method for semiconductor fabrication process
US-2023071797-A1 · Mar 9, 2023 · US
Hydrogen storage method, hydrogen gas production method and hydrogen gas production system
US-2023002221-A1 · Jan 5, 2023 · US
Water production for coffee brewing by electrodeionization
US-11542183-B2 · Jan 3, 2023 · US
System and method for biological methane gas generation and removal of carbon dioxide therefrom
US-2022204899-A1 · Jun 30, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/466?
- CPC B01D61/466 is the Cooperative Patent Classification code for “comprising the membrane sequence BC or CB.”
- How many patents are filed under CPC B01D61/466 (comprising the membrane sequence BC or CB)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/466 growing?
- Publication counts under this code: 3 in 2024 vs 7 in 2025 (latest complete years).