- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/40 - Carbon monoxide
Patent holdings for IPC class C01B 32/40
Total number of patents in this class: 588
10-year publication summary
|
6
|
23
|
40
|
40
|
32
|
53
|
71
|
91
|
76
|
93
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3475 |
49 |
| Infinium Technology, LLC | 84 |
25 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4008 |
13 |
| ENEOS Corporation | 626 |
12 |
| BASF SE | 21036 |
11 |
| Topsoe A/S | 925 |
10 |
| Linde Aktiengesellschaft | 1496 |
9 |
| SK Innovation Co., Ltd. | 1365 |
9 |
| SABIC Global Technologies B.V. | 4375 |
8 |
| Saudi Arabian Oil Company | 13442 |
8 |
| Korea Research Institute of Chemical Technology | 1402 |
6 |
| D-crbn BV | 12 |
6 |
| Japan Science and Technology Agency | 1295 |
5 |
| The Governing Council of The University of Toronto, | 1490 |
5 |
| JFE Steel Corporation | 6992 |
5 |
| Osaka Gas Co., Ltd. | 311 |
5 |
| Sumitomo Seika Chemicals Co., Ltd. | 1056 |
5 |
| Waseda University | 459 |
5 |
| Lydian Labs, Inc. | 12 |
5 |
| Dioxycle | 70 |
5 |
| Other owners | 382 |