- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/44 - Sulfides or polysulfides of magnesium, calcium, strontium, or barium by reduction of sulfates
Patent holdings for IPC class C01B 17/44
Total number of patents in this class: 8
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innovator Energy LLC | 80 |
2 |
| Saudi Arabian Oil Company | 14398 |
2 |
| Massachusetts Institute of Technology | 10322 |
1 |
| Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung eingetragener Verein | 93 |
1 |
| Peregrine Hydrogen Inc. | 18 |
1 |
| Kandelium Barium Strontium GmbH & Co. KG | 1 |
1 |
| Other owners | 0 |