- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 43/00 - Obtaining mercury
Patent holdings for IPC class C22B 43/00
Total number of patents in this class: 59
10-year publication summary
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3
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4
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1
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2
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1
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4
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2
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4
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5
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Petroliam Nasional Berhad (petronas) | 365 |
4 |
| Chevron U.S.A. Inc. | 4162 |
3 |
| ConocoPhillips Company | 1716 |
3 |
| Ecolab USA Inc. | 5820 |
3 |
| AMS Trace Metals, Inc. | 25 |
2 |
| Brown University | 689 |
2 |
| Ethox Chemicals, LLC | 103 |
2 |
| Mining and Process Solutions Pty Ltd | 13 |
2 |
| ARQ Solutions (es), Inc. | 61 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
1 |
| Aidance Skincare and Topical Solutions, LLC | 7 |
1 |
| Alcoa of Australia Limited | 40 |
1 |
| Carnegie Mellon University | 1644 |
1 |
| Chengdu University of Technology | 143 |
1 |
| Cytec Industries Inc. | 410 |
1 |
| Electrical Waste Recycling Group Limited | 3 |
1 |
| Eth Zurich | 1329 |
1 |
| Ibaraki University | 58 |
1 |
| Kunming University of Science and Technology | 245 |
1 |
| M-I L.L.C. | 737 |
1 |
| Other owners | 25 |