- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 7/03 - Preparation from chlorides
Patent holdings for IPC class C01B 7/03
Total number of patents in this class: 97
10-year publication summary
|
9
|
17
|
11
|
3
|
12
|
6
|
6
|
5
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purac Biochem B.V. | 499 |
24 |
| Carbonfree Chemicals Holdings, LLC | 31 |
6 |
| Albemarle Corporation | 509 |
3 |
| Energy and Environmental Research Center Foundation | 33 |
3 |
| FEI Company | 898 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 280 |
2 |
| Toho Titanium Co., Ltd. | 247 |
2 |
| Valmet Technologies Oy | 291 |
2 |
| Veolia Water Technologies, Inc. | 82 |
2 |
| Tessenderlo Group, NV | 161 |
2 |
| Metso Outotec Finland Oy | 797 |
2 |
| Metso Metals Oy | 222 |
2 |
| Honeywell International Inc. | 14031 |
1 |
| Centre National de La Recherche Scientifique | 10149 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5471 |
1 |
| Asahi Glass Company, Limited | 2872 |
1 |
| Akzo Nobel Chemicals International B.V. | 480 |
1 |
| Akzo Nobel N.V. | 197 |
1 |
| Austpac Resources N.L. | 3 |
1 |
| Australian BioRefining Pty Ltd | 3 |
1 |
| Other owners | 37 |