- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 3/40 - Mixtures
Patent holdings for IPC class C22B 3/40
Total number of patents in this class: 81
10-year publication summary
|
2
|
2
|
2
|
2
|
4
|
8
|
8
|
6
|
7
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
6 |
| Xiangtan University | 61 |
4 |
| BASF SE | 20904 |
3 |
| Centre National de La Recherche Scientifique | 10414 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1227 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1196 |
3 |
| Universite de Montpellier | 983 |
3 |
| Excir Works Corp. | 30 |
3 |
| Cesl Limited | 6 |
2 |
| Changchun Institute of Applied Chemistry Chinese Academy of Sciences | 106 |
2 |
| Chemtor, LP | 61 |
2 |
| Coatex S.A.S. | 227 |
2 |
| Ecole Nationale Superieure de Chimie de Montpellier | 204 |
2 |
| Institute of Process Engineering, Chinese Academy of Sciences | 293 |
2 |
| OCP S.A. | 78 |
2 |
| Tenova Advanced Technologies Ltd. | 15 |
2 |
| South Central University for Nationalities | 13 |
2 |
| Beijing Salt Lake Technology Development Company Limited | 3 |
2 |
| FUJIFILM Corporation | 29305 |
1 |
| Anglo American Platinum Limited | 10 |
1 |
| Other owners | 31 |