- All sections
- C - Chemistry; metallurgy
- C23G - Cleaning or de-greasing of metallic material by chemical methods other than electrolysis
- C23G 1/22 - Light metals
Patent holdings for IPC class C23G 1/22
Total number of patents in this class: 87
10-year publication summary
|
5
|
4
|
6
|
5
|
9
|
6
|
7
|
5
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PRC-DeSoto International, Inc. | 579 |
9 |
| Henkel AG & Co. KGaA | 10343 |
6 |
| Hydro Aluminium Rolled Products GmbH | 118 |
4 |
| Centre National de La Recherche Scientifique | 10091 |
3 |
| Raytheon Company | 8435 |
3 |
| Oerlikon Surface Solutions AG, Pfaffikon | 557 |
3 |
| Universite de Pau et des Pays de L'adour | 89 |
3 |
| Soule Peintures Industrielles Aero | 3 |
3 |
| PPG Industries Ohio, Inc. | 3444 |
2 |
| ASM IP Holding B.V. | 1880 |
2 |
| C. Uyemura & Co., Ltd. | 163 |
2 |
| Coöperatie Koninklijke Cosun U.A. | 79 |
2 |
| Ecolab Inc. | 437 |
2 |
| Hydro Aluminium Deutschland GmbH | 22 |
2 |
| Nihon Parkerizing Co., Ltd. | 281 |
2 |
| Novelis Inc. | 704 |
2 |
| Xeros Limited | 142 |
2 |
| Howmet Aerospace Inc. | 376 |
2 |
| Speira GmbH | 110 |
2 |
| Siemens AG | 24573 |
1 |
| Other owners | 30 |