Selective Polysaccharide Flocculants for Bauxite Ore Beneficiation
US-2019381428-A1 · Dec 19, 2019 · US
Preliminary treatment of ores or scrap
Preliminary treatment of ores or scrap · 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 | C22B1/00 |
| Official title | Preliminary treatment of ores or scrap |
| Display label | Preliminary treatment of ores or scrap |
| Total patents | 129 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 15 |
| 2017 | 7 |
| 2018 | 16 |
| 2019 | 16 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 12 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gravity separation device
US-10507471-B2 · Dec 17, 2019 · US
Peptide binding to arsenic-containing mineral and use thereof
US-2019345201-A1 · Nov 14, 2019 · US
Removal of radionuclides from mixtures
US-10435766-B2 · Oct 8, 2019 · US
Wet mineral ore processing in mining applications
US-10399087-B2 · Sep 3, 2019 · US
Column thickener and a process thereof for dewatering of iron ore slurry
US-10370271-B2 · Aug 6, 2019 · US
Separation of recycled rare earths
US-10351931-B2 · Jul 16, 2019 · US
Ore slurry pre-treatment method and ore slurry manufacturing method
US-10273558-B2 · Apr 30, 2019 · US
System and method for above-atmospheric leaching of metal sulfides
US-2019100823-A1 · Apr 4, 2019 · US
Methods and compositions for bauxite beneficiation
US-2019092646-A1 · Mar 28, 2019 · US
Bauxite grinding aids and methods of use
US-2019084837-A1 · Mar 21, 2019 · US
Material processing systems and methods
US-10221465-B2 · Mar 5, 2019 · US
Use of hydrophobically associating copolymers as binders for pelletizing metal containing ores
US-2019010577-A1 · Jan 10, 2019 · US
Multi-stage suspension magnetizing roasting-magnetic separation system device and method for refractory iron ore
US-2018361395-A1 · Dec 20, 2018 · US
Use of polyols as scale control reagents in the mining processes
US-10112843-B2 · Oct 30, 2018 · US
Gravity separation device
US-2018280991-A1 · Oct 4, 2018 · US
Machine and method for removing beads from tires at the end of life
US-10081120-B2 · Sep 25, 2018 · US
Method for smelting nickel oxide ore
US-10041144-B2 · Aug 7, 2018 · US
System and method for enhanced metal recovery during atmospheric leaching of metal sulfides
US-10023935-B2 · Jul 17, 2018 · US
Method for recovering rare earth element
US-10023938-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B1/00?
- CPC C22B1/00 is the Cooperative Patent Classification code for “Preliminary treatment of ores or scrap.”
- How many patents are filed under CPC C22B1/00 (Preliminary treatment of ores or scrap)?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC C22B1/00 growing?
- Publication counts under this code: 12 in 2024 vs 8 in 2025 (latest complete years).