- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 7/03 - Preparation from chlorides
Patent holdings for IPC class C01B 7/03
Total number of patents in this class: 99
10-year publication summary
|
6
|
9
|
17
|
11
|
3
|
12
|
6
|
6
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purac Biochem B.V. | 502 |
26 |
| Carbonfree Chemicals Holdings, LLC | 26 |
6 |
| Albemarle Corporation | 514 |
3 |
| Energy and Environmental Research Center Foundation | 31 |
3 |
| FEI Company | 851 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 250 |
2 |
| Toho Titanium Co., Ltd. | 249 |
2 |
| Valmet Technologies Oy | 284 |
2 |
| Veolia Water Technologies, Inc. | 80 |
2 |
| Tessenderlo Group, NV | 145 |
2 |
| Metso Outotec Finland Oy | 795 |
2 |
| Metso Metals Oy | 205 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
1 |
| Asahi Glass Company, Limited | 2985 |
1 |
| Akzo Nobel Chemicals International B.V. | 520 |
1 |
| Akzo Nobel N.V. | 240 |
1 |
| Austpac Resources N.L. | 3 |
1 |
| Australian BioRefining Pty Ltd | 3 |
1 |
| Other owners | 37 |