- 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 22/86 - Regeneration of coating baths
Patent holdings for IPC class C23C 22/86
Total number of patents in this class: 27
10-year publication summary
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4
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3
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3
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3
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5
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1
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0
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Henkel AG & Co. KGaA | 10513 |
7 |
| PPG Industries Ohio, Inc. | 3458 |
6 |
| PRC-DeSoto International, Inc. | 574 |
2 |
| Nippon Steel Corporation | 6195 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8664 |
1 |
| Chemetall GmbH | 381 |
1 |
| DIPSOL Chemicals Co., Ltd. | 63 |
1 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2719 |
1 |
| Nihon Parkerizing Co., Ltd. | 283 |
1 |
| Nippon Paint Surf Chemicals Co., Ltd. | 92 |
1 |
| Tenova S.p.A. | 156 |
1 |
| Veolia Water Solutions & Technologies Support | 534 |
1 |
| Durr Systems AG | 354 |
1 |
| Uysal Makina Sanayi Ithalat Ihracat ve Ticaret Anonim Sirketi | 2 |
1 |
| Other owners | 0 |