- All sections
- C - Chemistry; metallurgy
- C23G - Cleaning or de-greasing 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: 64
10-year publication summary
9
|
6
|
4
|
9
|
4
|
3
|
4
|
1
|
5
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Henkel AG & Co. KGaA | 10129 |
5 |
Entegris, Inc. | 1736 |
5 |
ArcelorMittal | 1887 |
4 |
PPG Industries Ohio, Inc. | 3430 |
3 |
Kanto Kagaku Kabushiki Kaisha | 88 |
3 |
FUJIFILM Corporation | 27102 |
2 |
ASM IP Holding B.V. | 1715 |
2 |
Chemetall GmbH | 382 |
2 |
Ecolab Inc. | 479 |
2 |
Oerlikon Surface Solutions AG, Pfaffikon | 556 |
2 |
Organo Corporation | 394 |
2 |
Safran Aircraft Engines | 5739 |
2 |
Technic France | 10 |
2 |
Tokyo Electron Limited | 11599 |
1 |
Kyocera Corporation | 12735 |
1 |
Kao Corporation | 4843 |
1 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
1 |
Areva NP GmbH | 79 |
1 |
Atotech Deutschland GmbH | 586 |
1 |
Dowa Metaltech Co., Ltd. | 150 |
1 |
Other owners | 21 |