Valuable element recovery method
US-2024344172-A1 · Oct 17, 2024 · US
with formation of ferro-nickel or ferro-cobalt
with formation of ferro-nickel or ferro-cobalt · 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 | C22B23/023 |
| Official title | {with formation of ferro-nickel or ferro-cobalt} |
| Display label | with formation of ferro-nickel or ferro-cobalt |
| Total patents | 28 |
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 | 7 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two-step thermal treatment of nickel-containing sulfides for the production of ferronickel
US-2024042523-A1 · Feb 8, 2024 · US
Method for producing ferronickel and removing chromium from nickel laterite ore
US-2024035115-A1 · Feb 1, 2024 · US
Preparation of nickel-based alloys using waste materials
US-2023340649-A1 · Oct 26, 2023 · US
Oxide ore smelting method
US-11608543-B2 · Mar 21, 2023 · US
Method for smelting oxide ore
US-11479832-B2 · Oct 25, 2022 · US
Method for smelting oxide ore
US-2021238710-A1 · Aug 5, 2021 · US
Method for recovering nickel and cobalt from nickel, iron, and cobalt-containing raw material
US-2021130926-A1 · May 6, 2021 · US
Method for smelting oxide ore
US-10626480-B2 · Apr 21, 2020 · US
Method for smelting oxide ore
US-2020056262-A1 · Feb 20, 2020 · US
Metal oxide smelting method
US-2020024685-A1 · Jan 23, 2020 · US
Metal oxide smelting method
US-2020010925-A1 · Jan 9, 2020 · US
Method for smelting nickel oxide ore
US-10364480-B2 · Jul 30, 2019 · US
Method for smelting saprolite ore
US-10301704-B2 · May 28, 2019 · US
Method for smelting oxide ore
US-2019144971-A1 · May 16, 2019 · US
Oxide ore smelting method
US-2019119779-A1 · Apr 25, 2019 · US
Method for smelting nickel oxide ore
US-10072313-B2 · Sep 11, 2018 · US
Method for producing pellets and method for producing iron-nickel alloy
US-9970085-B2 · May 15, 2018 · US
Method for smelting saprolite ore
US-2018030574-A1 · Feb 1, 2018 · US
Method for smelting nickel oxide ore
US-2017342514-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B23/023?
- CPC C22B23/023 is the Cooperative Patent Classification code for “with formation of ferro-nickel or ferro-cobalt.”
- How many patents are filed under CPC C22B23/023 (with formation of ferro-nickel or ferro-cobalt)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC C22B23/023 growing?
- Publication counts under this code: 2 in 2023 vs 3 in 2024 (latest complete years).