- All sections
- C - Chemistrymetallurgy
- C01C - Ammoniacyanogencompounds thereof
- C01C 1/18 - Nitrates of ammonium
Patent holdings for IPC class C01C 1/18
Total number of patents in this class: 118
10-year publication summary
|
6
|
9
|
5
|
4
|
8
|
2
|
6
|
12
|
17
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 322 |
23 |
| Yara International ASA | 909 |
12 |
| Casale SA | 638 |
8 |
| Altmerge, LLC | 9 |
5 |
| ThyssenKrupp AG | 3333 |
5 |
| Katholieke Universiteit Leuven | 1304 |
4 |
| ThyssenKrupp Uhde GmbH | 388 |
4 |
| Universiteit Antwerpen | 418 |
4 |
| Sumitomo Osaka Cement Co., Ltd. | 919 |
3 |
| The University of Sydney | 641 |
3 |
| Honeywell International Inc. | 12767 |
2 |
| Agrium Advanced Technologies (U.S.) Holdings Inc. | 3 |
2 |
| Agrium U.S. Inc. | 3 |
2 |
| Research Institute of Industrial Science & Technology | 574 |
2 |
| The United States of America, as represented by the Secretary of Agriculture | 1158 |
2 |
| Orica International Pte Ltd | 201 |
2 |
| Maxamcorp International, S.L. | 130 |
2 |
| GM Global Technology Operations LLC | 16255 |
1 |
| Massachusetts Institute of Technology | 10322 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6724 |
1 |
| Other owners | 30 |