- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 5/08 - Dry processes by sulfides; Roasting reaction processes
Patent holdings for IPC class C22B 5/08
Total number of patents in this class: 28
10-year publication summary
1
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3
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1
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2
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1
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2
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2
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2
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5
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Metso Metals Oy | 205 |
4 |
Glencore Technology Pty Ltd | 46 |
3 |
FLSmidth A/S | 923 |
2 |
Compañia Minera Pargo Minerals SpA | 4 |
2 |
Ausmelt Limited | 1 |
1 |
Cvmr Corporation | 17 |
1 |
Eco'ring | 12 |
1 |
Eurecat S.A. | 85 |
1 |
KLEIN Anlagenbau AG | 8 |
1 |
Korea Institute of Geoscience and Mineral Resources | 222 |
1 |
Outotec (Finland) Oy | 491 |
1 |
Yanggu Xiangguang Copper Co., Ltd. | 9 |
1 |
Indian Institute of Technology Madras (IIT Madras) | 347 |
1 |
Barrick Gold Corporation | 7 |
1 |
Engineering Dobersek GmbH | 3 |
1 |
Terra CO2 Technology Holdings, Inc. | 34 |
1 |
Metso Outotec Finland Oy | 795 |
1 |
Hebei Zhongke Tongchuang Vanadium &titanium Technology Co., Ltd. | 4 |
1 |
Kingston Process Metallurgy Inc. | 8 |
1 |
Changsha Zhuorui Metallurgy Environment Technology Development Co., Ltd. | 3 |
1 |
Other owners | 1 |