C21B 2400/03
Removing sulfur
C21B2400/03 (Removing sulfur) appears on 3 US grants and 3 published applications in this corpus.
Search patents in C21B- Granted patents
- 3
- Published applications
- 3
- Assignees
- 6
- Inventors
- 14
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Coupling system of copper slag recycling and CO2 mineralization based on industrial solid waste14 Apr 2026US 12,601,021 B2Greenore Holding Co.
- Method for manufacturing thin-specification high-Ti wear-resistant steel NM45016 May 2023US 11,649,516 B2South China University of Technology
- Method for treating desulfurization slag8 Jan 2019US 10,174,389 B2voestalpine Stahl GmbH
- Coupling system of copper slag recycling and co2 mineralization based on industrial solid waste12 Oct 2023US 2023/0323490 A1Greenore Cleantech (Shanghai) Co., Ltd
- Method for manufacturing thin-specification high-ti wear-resistant steel nm45020 Feb 2020US 2020/0056254 A1South China University of Technology
- Method For Treating Desulfurization Slag6 Oct 2016US 2016/0289783 A1voestalpine Stahl GmbH
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.