- 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: 490
10-year publication summary
|
6
|
23
|
43
|
44
|
33
|
62
|
77
|
97
|
77
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3308 |
44 |
| Infinium Technology, LLC | 75 |
20 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
12 |
| BASF SE | 20432 |
11 |
| ENEOS Corporation | 584 |
11 |
| Linde Aktiengesellschaft | 1549 |
9 |
| SABIC Global Technologies B.V. | 4203 |
8 |
| Linde GmbH | 1221 |
6 |
| Topsoe A/S | 829 |
6 |
| Japan Science and Technology Agency | 1418 |
5 |
| The Governing Council of The University of Toronto, | 1424 |
5 |
| Osaka Gas Co., Ltd. | 320 |
5 |
| Saudi Arabian Oil Company | 12446 |
5 |
| Sumitomo Seika Chemicals Co., Ltd. | 1037 |
5 |
| D-crbn BV | 7 |
5 |
| The Regents of the University of California | 19517 |
4 |
| Hitachi, Ltd. | 15226 |
4 |
| University of South Florida | 1827 |
4 |
| BP p.l.c. | 500 |
4 |
| Chiyoda Corporation | 384 |
4 |
| Other owners | 313 |