- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 273/02 - Preparation of urea or its derivatives, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
Patent holdings for IPC class C07C 273/02
Total number of patents in this class: 111
10-year publication summary
|
9
|
2
|
7
|
10
|
7
|
8
|
10
|
5
|
6
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 304 |
22 |
| Casale SA | 621 |
12 |
| Yara International ASA | 859 |
11 |
| Johnson Matthey Public Limited Company | 1873 |
4 |
| ThyssenKrupp AG | 3311 |
4 |
| BioMason, Inc. | 55 |
3 |
| Kellogg Brown & Root LLC | 514 |
3 |
| ThyssenKrupp Industrial Solutions AG | 632 |
3 |
| Aminologics Co., Ltd. | 14 |
2 |
| Fluor Technologies Corporation | 375 |
2 |
| Saipem S.p.A. | 520 |
2 |
| W.M. Barr & Company, Inc. | 216 |
2 |
| The Boeing Company | 20131 |
1 |
| ExxonMobil Research And Engineering Company | 2562 |
1 |
| Tsinghua University | 5966 |
1 |
| Mitsui Chemicals, Inc. | 3247 |
1 |
| Ajinomoto Co., Inc. | 2301 |
1 |
| Aix-Marseille Universite' | 39 |
1 |
| Apotex Inc. | 207 |
1 |
| Bromine Compounds Ltd. | 187 |
1 |
| Other owners | 33 |