- 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 22/13 - Orthophosphates containing zinc cations containing also nitrate or nitrite anions
Patent holdings for IPC class C23C 22/13
Total number of patents in this class: 24
10-year publication summary
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2
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4
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5
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0
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0
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0
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1
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3
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemetall GmbH | 378 |
4 |
| PPG Industries Ohio, Inc. | 3407 |
2 |
| Henkel AG & Co. KGaA | 10643 |
2 |
| Nippon Steel Corporation | 6544 |
2 |
| Shenzhen Hengzhaozhi Technology Co., Ltd. | 64 |
2 |
| Korea Advanced Institute of Science and Technology | 4481 |
1 |
| Federal-Mogul Corporation | 286 |
1 |
| Hengdian Group Dmegc Magnetics Co., Ltd | 171 |
1 |
| Kansai Paint Co., Ltd. | 662 |
1 |
| MacDermid Enthone Inc. | 242 |
1 |
| Nihon Parkerizing Co., Ltd. | 291 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1986 |
1 |
| Outotec (Finland) Oy | 460 |
1 |
| POSCO Co., Ltd. | 1604 |
1 |
| Quaker Chemical Corporation | 218 |
1 |
| Ecoclean GmbH | 75 |
1 |
| Shenzhen Changhongtai Technology Co., Ltd. | 16 |
1 |
| Other owners | 0 |