- 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: 35
10-year publication summary
|
2
|
2
|
2
|
5
|
3
|
2
|
2
|
2
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Futamura Kagaku Kabushiki Kaisha | 94 |
4 |
| Dow Global Technologies LLC | 11051 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
3 |
| Korea Advanced Institute of Science and Technology | 4715 |
2 |
| Evoqua Water Technologies LLC | 928 |
2 |
| Tohoku Techno Arch Co., Ltd. | 121 |
2 |
| Showa Denko K.K. | 2054 |
1 |
| Toray Industries, Inc. | 7163 |
1 |
| Georgia Tech Research Corporation | 2988 |
1 |
| Calgon Carbon Corporation | 257 |
1 |
| Changzhou University | 211 |
1 |
| Hyundai Oilbank Co., Ltd. | 17 |
1 |
| Instituto Mexicano Del Petroleo | 201 |
1 |
| KT & G Corporation | 3173 |
1 |
| National University Corporation Gunma University | 298 |
1 |
| Nisshinbo Holdings Inc. | 378 |
1 |
| Osaka Gas Chemicals Co., Ltd. | 154 |
1 |
| Roquette Italia S.p.A. | 5 |
1 |
| Saudi Arabian Oil Company | 14390 |
1 |
| Southeast University | 1585 |
1 |
| Other owners | 5 |