- 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: 677
10-year publication summary
|
23
|
43
|
45
|
33
|
64
|
79
|
102
|
79
|
122
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3619 |
49 |
| Infinium Technology, LLC | 95 |
27 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
14 |
| BASF SE | 21308 |
13 |
| Saudi Arabian Oil Company | 14248 |
13 |
| ENEOS Corporation | 697 |
13 |
| SK Innovation Co., Ltd. | 1483 |
11 |
| Topsoe A/S | 1049 |
10 |
| Linde Aktiengesellschaft | 1421 |
9 |
| Lydian Labs, Inc. | 22 |
9 |
| BP p.l.c. | 537 |
8 |
| SABIC Global Technologies B.V. | 4599 |
8 |
| Japan Science and Technology Agency | 1212 |
7 |
| Korea Research Institute of Chemical Technology | 1475 |
7 |
| Dioxycle | 80 |
7 |
| D-crbn BV | 14 |
7 |
| The Governing Council of The University of Toronto, | 1552 |
6 |
| JFE Steel Corporation | 7549 |
6 |
| Osaka Gas Co., Ltd. | 316 |
6 |
| Sumitomo Seika Chemicals Co., Ltd. | 1043 |
6 |
| Other owners | 441 |