- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating 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: 22
10-year publication summary
1
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0
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2
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4
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6
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0
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0
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0
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1
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
3 |
PPG Industries Ohio, Inc. | 3430 |
2 |
Henkel AG & Co. KGaA | 10129 |
2 |
Chemetall GmbH | 382 |
2 |
Shenzhen Hengzhaozhi Technology Co., Ltd. | 64 |
2 |
Korea Advanced Institute of Science and Technology | 3906 |
1 |
Federal-Mogul Corporation | 362 |
1 |
Kansai Paint Co., Ltd. | 659 |
1 |
MacDermid Enthone Inc. | 237 |
1 |
Nihon Parkerizing Co., Ltd. | 274 |
1 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
1 |
Outotec (Finland) Oy | 491 |
1 |
Quaker Chemical Corporation | 212 |
1 |
ULVAC, Inc. | 1448 |
1 |
Ecoclean GmbH | 73 |
1 |
Shenzhen Changhongtai Technology Co., Ltd. | 16 |
1 |
Other owners | 0 |