- All sections
- C - Chemistrymetallurgy
- C01C - Ammoniacyanogencompounds thereof
- C01C 1/12 - Separation of ammonia from gases and vapours
Patent holdings for IPC class C01C 1/12
Total number of patents in this class: 143
10-year publication summary
|
7
|
11
|
6
|
7
|
5
|
12
|
9
|
17
|
15
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bechtel Energy Technologies & Solutions, Inc. | 78 |
12 |
| Air Products and Chemicals, Inc. | 1476 |
5 |
| Stamicarbon B.V. | 322 |
5 |
| ExxonMobil Research And Engineering Company | 2389 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4148 |
4 |
| Saipem S.p.A. | 529 |
4 |
| Yara International ASA | 909 |
4 |
| Casale SA | 638 |
3 |
| General Electric Technology GmbH | 1318 |
3 |
| Innovator Energy LLC | 80 |
3 |
| JNC Corporation | 1556 |
3 |
| SABIC Global Technologies B.V. | 4632 |
3 |
| Topsoe A/S | 1080 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3791 |
2 |
| Gas Technology Institute | 331 |
2 |
| INVISTA North America S.a.r.l. | 176 |
2 |
| INVISTA Technologies S.a.r.l. | 387 |
2 |
| Japan Pionics Co., Ltd. | 6 |
2 |
| Mott Corporation | 83 |
2 |
| Other owners | 73 |