- All sections
- C - Chemistrymetallurgy
- C23G - Cleaning or degreasing of metallic material by chemical methods other than electrolysis
- C23G 1/20 - Other heavy metals
Patent holdings for IPC class C23G 1/20
Total number of patents in this class: 68
10-year publication summary
|
6
|
4
|
8
|
4
|
3
|
4
|
1
|
4
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Henkel AG & Co. KGaA | 10609 |
5 |
| Entegris, Inc. | 1890 |
5 |
| ArcelorMittal | 2319 |
4 |
| PPG Industries Ohio, Inc. | 3443 |
3 |
| Chemetall GmbH | 377 |
3 |
| Kanto Kagaku Kabushiki Kaisha | 87 |
3 |
| FUJIFILM Corporation | 29543 |
2 |
| ASM IP Holding B.V. | 2106 |
2 |
| Organo Corporation | 480 |
2 |
| Safran Aircraft Engines | 6304 |
2 |
| Technic France | 11 |
2 |
| Zhejiang Aufirst Material Technology Co., Ltd. | 5 |
2 |
| Airbus Operations GmbH | 3351 |
1 |
| Tokyo Electron Limited | 12877 |
1 |
| Kyocera Corporation | 13909 |
1 |
| Kao Corporation | 4979 |
1 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8476 |
1 |
| Areva NP GmbH | 64 |
1 |
| Atotech Deutschland GmbH | 554 |
1 |
| Dowa Metaltech Co., Ltd. | 165 |
1 |
| Other owners | 25 |