- 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: 123
10-year publication summary
|
4
|
6
|
5
|
13
|
11
|
10
|
21
|
12
|
27
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 211 |
7 |
| Kuraray Co., Ltd. | 3502 |
3 |
| Aries Clean Technologies, LLC | 21 |
3 |
| Black Bear Carbon B.V. | 14 |
2 |
| China Petroleum and Chemical Corporation | 12 |
2 |
| C.I. Corporation Pty. Ltd. | 15 |
2 |
| King Fahd University of Petroleum and Minerals | 1164 |
2 |
| Newsouth Innovations Pty Limited | 591 |
2 |
| rEVO International Inc. | 9 |
2 |
| ARQ IP Limited | 43 |
2 |
| Ecap BioEnergy, LLC | 9 |
2 |
| Carba Inc. | 15 |
2 |
| RDA Technologies Inc. | 2 |
2 |
| Rescue Energy Spolka z ograniczona odpowiedzialnoscia | 2 |
2 |
| BASF SE | 20892 |
1 |
| Sony Corporation | 31107 |
1 |
| The Regents of the University of California | 19857 |
1 |
| Sumitomo Electric Industries, Ltd. | 15414 |
1 |
| Hyundai Motor Company | 21852 |
1 |
| Kia Motors Corporation | 7758 |
1 |
| Other owners | 82 |