- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/378 - Purification
Patent holdings for IPC class C01B 32/378
Total number of patents in this class: 33
10-year publication summary
|
1
|
1
|
1
|
3
|
5
|
0
|
7
|
7
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3567 |
7 |
| Tokai Carbon Korea Co., Ltd. | 55 |
3 |
| CyDex Pharmaceuticals, Inc. | 105 |
2 |
| SkyNano LLC | 8 |
2 |
| Advanced Organic Methods Inc. | 3 |
2 |
| Sony Corporation | 30510 |
1 |
| Anhui University of Science and Technology | 190 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2816 |
1 |
| Consejo Nacional de Investigaciones Cientificas y Tecnicas (conicet) | 308 |
1 |
| CPC Corporation, Taiwan | 66 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1248 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1217 |
1 |
| Ingevity South Carolina, LLC | 193 |
1 |
| Titan Clean Energy Projects Corporation | 17 |
1 |
| Universidad Nacional de Cordoba | 16 |
1 |
| YPF Tecnologia SA | 44 |
1 |
| Nextleaf Solutions Ltd. | 39 |
1 |
| Guangxi Academy of Sciences | 8 |
1 |
| Hanwha Solutions Corporation | 1010 |
1 |
| Natural Nanotech Pty Ltd | 1 |
1 |
| Other owners | 2 |