- 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: 149
10-year publication summary
|
3
|
5
|
5
|
3
|
11
|
7
|
12
|
18
|
14
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1926 |
8 |
| Botree Cycling Sci&Tech Co., Ltd. | 15 |
8 |
| JX Metals Circular Solutions Co., Ltd. | 74 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10975 |
7 |
| Centre National de La Recherche Scientifique | 10846 |
6 |
| Universite de Montpellier | 1023 |
6 |
| JX Nippon Mining & Metals Corporation | 1469 |
5 |
| Kyushu University, National University Corporation | 1692 |
5 |
| Ecole Nationale Superieure de Chimie de Montpellier | 222 |
4 |
| Xiangtan University | 60 |
4 |
| Igo Limited | 7 |
4 |
| Suzhou Botree Cycling SCI & Tech Co., Ltd | 5 |
4 |
| Fujian Golden Dragon Rare-earth Co., Ltd. | 73 |
4 |
| Adionics | 26 |
3 |
| Element 25 Limited | 3 |
3 |
| Orano Recyclage | 62 |
3 |
| BASF SE | 21127 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5918 |
2 |
| Nissin Chemical Industry Co., Ltd. | 110 |
2 |
| Electricite de France | 743 |
2 |
| Other owners | 59 |