- 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: 114
10-year publication summary
|
6
|
9
|
5
|
4
|
8
|
2
|
6
|
12
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 320 |
22 |
| Yara International ASA | 900 |
11 |
| Casale SA | 633 |
8 |
| Altmerge, LLC | 9 |
5 |
| Katholieke Universiteit Leuven | 1283 |
4 |
| ThyssenKrupp AG | 3409 |
4 |
| Universiteit Antwerpen | 411 |
4 |
| Sumitomo Osaka Cement Co., Ltd. | 894 |
3 |
| ThyssenKrupp Uhde GmbH | 379 |
3 |
| The University of Sydney | 635 |
3 |
| Honeywell International Inc. | 12778 |
2 |
| Agrium Advanced Technologies (U.S.) Holdings Inc. | 3 |
2 |
| Agrium U.S. Inc. | 3 |
2 |
| Research Institute of Industrial Science & Technology | 568 |
2 |
| The United States of America, as represented by the Secretary of Agriculture | 1157 |
2 |
| Orica International Pte Ltd | 200 |
2 |
| Maxamcorp International, S.L. | 130 |
2 |
| GM Global Technology Operations LLC | 16124 |
1 |
| Massachusetts Institute of Technology | 10251 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6653 |
1 |
| Other owners | 30 |