- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/40 - Carbon monoxide
Patent holdings for IPC class C01B 32/40
Total number of patents in this class: 423
10-year publication summary
|
3
|
6
|
23
|
43
|
44
|
33
|
62
|
77
|
94
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3159 |
39 |
| Infinium Technology, LLC | 58 |
18 |
| BASF SE | 19740 |
12 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
12 |
| Linde Aktiengesellschaft | 1600 |
9 |
| ENEOS Corporation | 611 |
9 |
| SABIC Global Technologies B.V. | 4044 |
8 |
| Topsoe A/S | 732 |
6 |
| Osaka Gas Co., Ltd. | 312 |
5 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Linde GmbH | 1122 |
5 |
| Hitachi, Ltd. | 16452 |
4 |
| University of South Florida | 1817 |
4 |
| Japan Science and Technology Agency | 1564 |
4 |
| Chiyoda Corporation | 363 |
4 |
| Korea Research Institute of Chemical Technology | 1266 |
4 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
4 |
| LanzaTech NZ, Inc. | 57 |
4 |
| The Regents of the University of California | 18943 |
3 |
| Casale SA | 572 |
3 |
| Other owners | 261 |