- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 3/32 - Carboxylic acids
Patent holdings for IPC class C22B 3/32
Total number of patents in this class: 162
10-year publication summary
|
4
|
7
|
5
|
3
|
14
|
11
|
13
|
25
|
17
|
15
|
| 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 | 11123 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1974 |
8 |
| Botree Cycling Sci&Tech Co., Ltd. | 15 |
8 |
| JX Metals Circular Solutions Co., Ltd. | 80 |
8 |
| Centre National de La Recherche Scientifique | 11023 |
6 |
| Universite de Montpellier | 1042 |
6 |
| JX Nippon Mining & Metals Corporation | 1461 |
5 |
| Kyushu University, National University Corporation | 1715 |
5 |
| Ecole Nationale Superieure de Chimie de Montpellier | 233 |
4 |
| Xiangtan University | 60 |
4 |
| Element 25 Limited | 5 |
4 |
| Igo Limited | 9 |
4 |
| Suzhou Botree Cycling SCI & Tech Co., Ltd | 8 |
4 |
| Fujian Golden Dragon Rare-earth Co., Ltd. | 74 |
4 |
| BASF SE | 21303 |
3 |
| Adionics | 26 |
3 |
| Nippon Steel Corporation | 6871 |
3 |
| Orano Recyclage | 62 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
2 |
| Nissin Chemical Industry Co., Ltd. | 115 |
2 |
| Other owners | 68 |