- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 22/80 - Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
Patent holdings for IPC class C23C 22/80
Total number of patents in this class: 84
10-year publication summary
|
8
|
5
|
7
|
6
|
8
|
7
|
2
|
6
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemetall GmbH | 386 |
23 |
| PPG Industries Ohio, Inc. | 3352 |
15 |
| Henkel AG & Co. KGaA | 10707 |
8 |
| ThyssenKrupp Steel Europe AG | 977 |
5 |
| Nihon Parkerizing Co., Ltd. | 291 |
4 |
| Atotech Deutschland GmbH | 533 |
3 |
| Rhodia Operations | 1527 |
3 |
| Aktiebolaget SKF | 3062 |
2 |
| Nippon Steel Corporation | 6661 |
2 |
| Robert Bosch GmbH | 43500 |
1 |
| PRC-DeSoto International, Inc. | 560 |
1 |
| Foxconn Technology Co., Ltd. | 64 |
1 |
| Baoshan Iron & Steel Co., Ltd. | 1072 |
1 |
| BASF Coatings GmbH | 1206 |
1 |
| Ewald Dorken AG | 242 |
1 |
| Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | 5 |
1 |
| Henkel (China) Company Limited | 142 |
1 |
| National Institute of Forest Science | 17 |
1 |
| Nippon Paint Surf Chemicals Co., Ltd. | 94 |
1 |
| Novelis Inc. | 766 |
1 |
| Other owners | 8 |