- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 7/01 - Chlorine; Hydrogen chloride
Patent holdings for IPC class C01B 7/01
Total number of patents in this class: 122
10-year publication summary
|
8
|
12
|
10
|
12
|
5
|
11
|
9
|
6
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangnan Environmental Protection Group Inc. | 63 |
5 |
| SGL Carbon SE | 386 |
4 |
| Lone Gull Holdings, Ltd. | 105 |
4 |
| Avantium Knowledge Centre B.V. | 176 |
4 |
| Schlumberger Technology Corporation | 10263 |
3 |
| Sumitomo Chemical Company, Limited | 8988 |
3 |
| Andritz AG | 226 |
3 |
| AEM Technologies Inc. | 34 |
3 |
| Bayer MaterialScience AG | 840 |
2 |
| California Institute of Technology | 3936 |
2 |
| Showa Denko K.K. | 2337 |
2 |
| Vapor Technologies, Inc. | 65 |
2 |
| 8 Rivers Capital, LLC | 239 |
2 |
| Apotex Inc. | 206 |
2 |
| Clean Chemistry, Inc. | 36 |
2 |
| Korea Institute of Machinery & Materials | 722 |
2 |
| Wme Gesellschaft für Windkraftbetriebene Meerwasserentsalzung mbH | 3 |
2 |
| Lithium Ark Holding B.V. | 4 |
2 |
| Schlumberger Canada Limited | 7154 |
1 |
| Schlumberger Technology B.v. | 5075 |
1 |
| Other owners | 71 |