- 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: 108
10-year publication summary
|
2
|
2
|
2
|
4
|
8
|
8
|
6
|
7
|
11
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
9 |
| Centre National de La Recherche Scientifique | 11133 |
6 |
| Universite de Montpellier | 1047 |
6 |
| Ecole Nationale Superieure de Chimie de Montpellier | 239 |
5 |
| Xiangtan University | 60 |
4 |
| BASF SE | 21334 |
3 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1273 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
3 |
| Institute of Process Engineering, Chinese Academy of Sciences | 331 |
3 |
| Excir Works Corp. | 31 |
3 |
| FUJIFILM Corporation | 30808 |
2 |
| Cesl Limited | 6 |
2 |
| Changchun Institute of Applied Chemistry Chinese Academy of Sciences | 116 |
2 |
| Chemtor, LP | 67 |
2 |
| Coatex S.A.S. | 209 |
2 |
| Johnson Matthey Public Limited Company | 1766 |
2 |
| OCP S.A. | 90 |
2 |
| Tenova Advanced Technologies Ltd. | 17 |
2 |
| South Central University for Nationalities | 13 |
2 |
| Beijing Salt Lake Technology Development Company Limited | 3 |
2 |
| Other owners | 43 |