- 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: 35
10-year publication summary
|
1
|
1
|
1
|
3
|
5
|
0
|
7
|
7
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3620 |
7 |
| Tokai Carbon Korea Co., Ltd. | 56 |
3 |
| CyDex Pharmaceuticals, Inc. | 102 |
2 |
| Titan Clean Energy Projects Corporation | 19 |
2 |
| SkyNano LLC | 8 |
2 |
| Advanced Organic Methods Inc. | 3 |
2 |
| Sony Corporation | 29876 |
1 |
| Anhui University of Science and Technology | 201 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 3015 |
1 |
| Consejo Nacional de Investigaciones Cientificas y Tecnicas (conicet) | 313 |
1 |
| CPC Corporation, Taiwan | 76 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1272 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1227 |
1 |
| Ingevity South Carolina, LLC | 191 |
1 |
| Universidad Nacional de Cordoba | 17 |
1 |
| YPF Tecnologia SA | 46 |
1 |
| Nextleaf Solutions Ltd. | 36 |
1 |
| Albert-Ludwigs-Universitaet Freiburg | 148 |
1 |
| Guangxi Academy of Sciences | 10 |
1 |
| Hanwha Solutions Corporation | 1236 |
1 |
| Other owners | 3 |