- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 3/10 - Hydrochloric acid
Patent holdings for IPC class C22B 3/10
Total number of patents in this class: 412
10-year publication summary
38
|
44
|
29
|
17
|
30
|
31
|
28
|
28
|
35
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Metal Mining Co., Ltd. | 1670 |
15 |
AEM Technologies Inc. | 33 |
11 |
JX Nippon Mining & Metals Corporation | 1576 |
10 |
Nova Mineralis S.A. | 15 |
10 |
Orbite Aluminae Inc. | 14 |
10 |
AEM Canada Group Inc. | 13 |
8 |
Asaka Riken Co., Ltd. | 35 |
7 |
BHP Chile Inc. | 18 |
7 |
Metso Outotec Finland Oy | 795 |
7 |
Orf Technologies Inc. | 9 |
7 |
Battelle Energy Alliance, LLC | 569 |
6 |
Alliance Magnesium | 14 |
6 |
Reed Advanced Materials Pty Ltd | 11 |
6 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
5 |
Korea Institute of Geoscience and Mineral Resources | 222 |
5 |
Process Research Ortech Inc. | 7 |
5 |
Bromine Compounds Ltd. | 196 |
4 |
Grirem Advanced Materials Co., Ltd. | 114 |
4 |
Lifezone Limited | 5 |
4 |
Outotec (Finland) Oy | 491 |
4 |
Other owners | 271 |