- 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: 54
10-year publication summary
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5
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3
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4
|
1
|
2
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1
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3
|
2
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4
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Petroliam Nasional Berhad (petronas) | 336 |
4 |
| ConocoPhillips Company | 1682 |
3 |
| Ecolab USA Inc. | 5544 |
3 |
| AMS Trace Metals, Inc. | 24 |
2 |
| Brown University | 655 |
2 |
| Ethox Chemicals, LLC | 94 |
2 |
| Tekran Instruments Corporation | 8 |
2 |
| Mining and Process Solutions Pty Ltd | 11 |
2 |
| ARQ Solutions (es), Inc. | 58 |
2 |
| BASF SE | 21036 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8823 |
1 |
| Chevron U.S.A. Inc. | 4010 |
1 |
| Aidance Skincare and Topical Solutions, LLC | 8 |
1 |
| Alcoa of Australia Limited | 46 |
1 |
| Chengdu University of Technology | 126 |
1 |
| Electrical Waste Recycling Group Limited | 3 |
1 |
| Eth Zurich | 1291 |
1 |
| Ibaraki University | 54 |
1 |
| Kunming University of Science and Technology | 197 |
1 |
| M-I L.L.C. | 809 |
1 |
| Other owners | 21 |