- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 7/74 - Sulfates
Patent holdings for IPC class C01F 7/74
Total number of patents in this class: 35
10-year publication summary
|
4
|
5
|
4
|
2
|
6
|
5
|
2
|
1
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Avertana Limited | 12 |
5 |
| Chameleon Industries, Inc. | 6 |
4 |
| LG Chem, Ltd. | 17620 |
2 |
| Alcoa USA Corp. | 198 |
2 |
| Easymining Sweden AB | 62 |
2 |
| Sika Technology AG | 2858 |
2 |
| Central South University | 436 |
1 |
| Denka Company Limited | 2566 |
1 |
| Ecotec Gestione Impianti S.r.l. | 11 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1240 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1209 |
1 |
| IFP Energies Nouvelles | 2945 |
1 |
| Kemira Kemi AB | 7 |
1 |
| Kemira Oyj | 1206 |
1 |
| NC Brands L.P. | 103 |
1 |
| Next Chem, LLC | 1 |
1 |
| Saeg Tech SA | 1 |
1 |
| Tata Steel Limited | 175 |
1 |
| The Water Company LLC | 11 |
1 |
| MOUREK, Lukáš | 1 |
1 |
| Other owners | 4 |