- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/306 - Active carbon with molecular sieve properties
Patent holdings for IPC class C01B 32/306
Total number of patents in this class: 32
10-year publication summary
|
3
|
2
|
2
|
1
|
5
|
3
|
1
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Futamura Kagaku Kabushiki Kaisha | 81 |
4 |
| Dow Global Technologies LLC | 10360 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
3 |
| Korea Advanced Institute of Science and Technology | 4378 |
2 |
| Evoqua Water Technologies LLC | 917 |
2 |
| Tohoku Techno Arch Co., Ltd. | 126 |
2 |
| Showa Denko K.K. | 2220 |
1 |
| Toray Industries, Inc. | 6950 |
1 |
| Georgia Tech Research Corporation | 2744 |
1 |
| Calgon Carbon Corporation | 238 |
1 |
| Hyundai Oilbank Co., Ltd. | 19 |
1 |
| Instituto Mexicano Del Petroleo | 223 |
1 |
| National University Corporation Gunma University | 296 |
1 |
| Nisshinbo Holdings Inc. | 371 |
1 |
| Osaka Gas Chemicals Co., Ltd. | 137 |
1 |
| Roquette Italia S.p.A. | 5 |
1 |
| Saudi Arabian Oil Company | 13224 |
1 |
| Tokai Carbon Korea Co., Ltd. | 53 |
1 |
| TPR Co., Ltd. | 160 |
1 |
| Hanwha Solutions Corporation | 841 |
1 |
| Other owners | 2 |