Layered double hydroxide crystal, anion adsorbent, and method for producing layered double hydroxide crystal
US-12492135-B2 · Dec 9, 2025 · US
Processes using inorganic exchangers
Processes using inorganic exchangers · 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 | B01J41/02 |
| Official title | Processes using inorganic exchangers |
| Display label | Processes using inorganic exchangers |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Recharge solution for zirconium oxide
US-2025186986-A1 · Jun 12, 2025 · US
Apparatus for producing non-aqueous electrolytic solution and method for producing non-aqueous electrolytic solution
US-12243984-B2 · Mar 4, 2025 · US
Bioderived organic solvents
US-2024408590-A1 · Dec 12, 2024 · US
Porous molding
US-11865509-B2 · Jan 9, 2024 · US
Double charge composite materials for contaminant removal and methods of making the same
US-11851350-B1 · Dec 26, 2023 · US
Automatic recharger brine preparation from a salt bag
US-11801487-B2 · Oct 31, 2023 · US
Bio-electrode composition, bio-electrode, and method for manufacturing bio-electrode
US-11643492-B2 · May 9, 2023 · US
Layered Double Hydroxide Crystal, Anion Adsorbent, and Method for Producing Layered Double Hydroxide Crystal
US-2022315452-A1 · Oct 6, 2022 · US
Automatic recharger brine preparation from a salt bag
US-2022226798-A1 · Jul 21, 2022 · US
Stabilized acyclic saccharide composite and method for stabilizing acyclic saccharides and applications thereof
US-2022064201-A1 · Mar 3, 2022 · US
Phosphate adsorbing agent for blood processing, blood processing system and blood processing method
US-11224871-B2 · Jan 18, 2022 · US
Apparatus for producing non-aqueous electrolytic solution and method for producing non-aqueous electrolytic solution
US-2021384557-A1 · Dec 9, 2021 · US
Two-dimensional material for removal of anions and applications thereof
US-11154851-B2 · Oct 26, 2021 · US
Method for transporting nitride ions in an electrochemical cell
US-10920327-B2 · Feb 16, 2021 · US
Method for exchanging interlayer anions of a layered double hydroxide
US-10882753-B2 · Jan 5, 2021 · US
Porous Molding
US-2020360915-A1 · Nov 19, 2020 · US
Bio-electrode composition, bio-electrode, and method for manufacturing bio-electrode
US-2020317840-A1 · Oct 8, 2020 · US
Preferential removal of hexavalent chromium from contaminated water
US-10759680-B2 · Sep 1, 2020 · US
Phosphate adsorbing agent for blood processing, blood processing system and blood processing method
US-2020171479-A1 · Jun 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J41/02?
- CPC B01J41/02 is the Cooperative Patent Classification code for “Processes using inorganic exchangers.”
- How many patents are filed under CPC B01J41/02 (Processes using inorganic exchangers)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B01J41/02 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).