- 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 22/02 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
Patent holdings for IPC class C23C 22/02
Total number of patents in this class: 87
10-year publication summary
|
6
|
11
|
12
|
2
|
6
|
7
|
4
|
4
|
4
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
3 |
| Biomet 3i, LLC | 305 |
3 |
| NOK Corporation | 2108 |
3 |
| BASF SE | 19740 |
2 |
| Agere S.r.l. | 4 |
2 |
| Atotech Deutschland GmbH | 586 |
2 |
| Nippon Steel & Sumikin Stainless Steel Corporation | 171 |
2 |
| South China University of Technology | 1581 |
2 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
2 |
| SixRing Inc. | 121 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| FUJIFILM Corporation | 27102 |
1 |
| BASF AG | 1258 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Agency for Science, Technology and Research | 3512 |
1 |
| Other owners | 54 |