- All sections
- C - Chemistrymetallurgy
- C23F - Non-mechanical removal of metallic material from surfacesinhibiting corrosion of metallic materialinhibiting incrustation in generalmulti-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 3/03 - Light metals with acidic solutions
Patent holdings for IPC class C23F 3/03
Total number of patents in this class: 29
10-year publication summary
|
2
|
4
|
5
|
4
|
2
|
1
|
2
|
1
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shenzhen Hengzhaozhi Technology Co., Ltd. | 64 |
5 |
| Houghton Technical Corp. | 110 |
4 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20925 |
2 |
| Vitech International, Inc. | 7 |
2 |
| Win Chemicals Limited | 10 |
2 |
| Institut de Recherche Technologique Materiaux, Metallurgie, Procedes | 9 |
2 |
| Henkel AG & Co. KGaA | 10567 |
1 |
| Japan Science and Technology Agency | 1323 |
1 |
| Aditya Birla Science and Technology Company Limited | 14 |
1 |
| Catcher Technology Co., Ltd. | 21 |
1 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
1 |
| Parker-Hannifin Corporation | 1037 |
1 |
| Salzgitter Flachstahl GmbH | 159 |
1 |
| Houghton Metal Finishing Company | 1 |
1 |
| SWISSto12 SA | 90 |
1 |
| GAO, Ruian | 2 |
1 |
| Linqu Pengbo Chemical Co. Ltd | 1 |
1 |
| CMC Materials LLC | 246 |
1 |
| Other owners | 0 |