- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/324 - Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
Patent holdings for IPC class C01B 32/324
Total number of patents in this class: 152
10-year publication summary
|
6
|
5
|
13
|
11
|
10
|
22
|
12
|
29
|
25
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 233 |
8 |
| King Fahd University of Petroleum and Minerals | 1576 |
3 |
| Kuraray Co., Ltd. | 3591 |
3 |
| Aries Clean Technologies, LLC | 22 |
3 |
| RDA Technologies Inc. | 3 |
3 |
| BASF SE | 21308 |
2 |
| Hyundai Motor Company | 24703 |
2 |
| China Petroleum and Chemical Corporation | 11 |
2 |
| C.I. Corporation Pty. Ltd. | 15 |
2 |
| King Abdulaziz University | 521 |
2 |
| Korea University Research and Business Foundation | 3271 |
2 |
| Newsouth Innovations Pty Limited | 622 |
2 |
| rEVO International Inc. | 7 |
2 |
| Stora Enso Oyj | 1650 |
2 |
| Titan Clean Energy Projects Corporation | 19 |
2 |
| ARQ IP Limited | 43 |
2 |
| Ecap BioEnergy, LLC | 9 |
2 |
| Fifth Innovation Oy | 8 |
2 |
| Carba Inc. | 17 |
2 |
| Zhejiang Zhongning Silicon Industry Co., Ltd. | 2 |
2 |
| Other owners | 102 |