Purification of mineral ores using cationic copolymers
US-2026070069-A1 · Mar 12, 2026 · US
organic
organic · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B1/244 |
| Official title | organic |
| Display label | organic |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of making upgraded synthetic rutile
US-2026015691-A1 · Jan 15, 2026 · US
Method and system for optimization of agglomeration of ores
US-12516397-B2 · Jan 6, 2026 · US
Powder property-modifying method, production method for water-containing bulk material, water-containing bulk material, and granulation method for raw material for sintering
US-2026001734-A1 · Jan 1, 2026 · US
Compositions and methods for improvement of blast furnace production
US-2025388992-A1 · Dec 25, 2025 · US
Binder and manufacturing methods
US-2025297103-A1 · Sep 25, 2025 · US
Carbon-negative metallurgical products
US-12398435-B2 · Aug 26, 2025 · US
Precious metal catalyst briquettes, process for the manufacture and for the inceneration thereof
US-12390798-B2 · Aug 19, 2025 · US
Method for producing high iron-content products from iron ore fines and biomass, and products thereof
US-2025154616-A1 · May 15, 2025 · US
Process for producing iron ore agglomerate for use in direct reduction reactors, and the agglomerate product
US-2025154621-A1 · May 15, 2025 · US
Binder composition for briquetting and/or pelletization of iron or aluminum ore fines and iron or aluminum ore residues and methods thereof
US-2025101543-A1 · Mar 27, 2025 · US
Carbon-negative metallurgical products
US-2025084495-A1 · Mar 13, 2025 · US
Biocarbon compositions with optimized compositional parameters, and processes for producing the same
US-2024391828-A1 · Nov 28, 2024 · US
Biocarbon compositions with optimized compositional parameters, and processes for producing the same
US-12103892-B2 · Oct 1, 2024 · US
Carbon-negative metallurgical products
US-2024294997-A1 · Sep 5, 2024 · US
Method for producing agglomerated ore, method for producing reduced iron, agglomerated ore, sintering machine and pellet firing furnace
US-2024279758-A1 · Aug 22, 2024 · US
Mineral treatment process
US-12031193-B2 · Jul 9, 2024 · US
Solid agglomerated product based on iron oxides and corresponding production method
US-2024060150-A1 · Feb 22, 2024 · US
Carbon-negative metallurgical products
US-11851723-B2 · Dec 26, 2023 · US
Biomass direct reduced iron
US-2023407423-A1 · Dec 21, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B1/244?
- CPC C22B1/244 is the Cooperative Patent Classification code for “organic.”
- How many patents are filed under CPC C22B1/244 (organic)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C22B1/244 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).