- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 273/18 - 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 substituted ureas
Patent holdings for IPC class C07C 273/18
Total number of patents in this class: 219
10-year publication summary
|
18
|
9
|
11
|
13
|
20
|
13
|
15
|
11
|
11
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21039 |
9 |
| BYK-Chemie GmbH | 446 |
7 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 836 |
6 |
| Dow Global Technologies LLC | 10448 |
4 |
| Purdue Research Foundation | 3676 |
4 |
| Casale SA | 621 |
4 |
| Celgene Corporation | 1395 |
4 |
| Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences | 10 |
4 |
| The Regents of the University of Michigan | 4753 |
3 |
| Mitsui Chemicals, Inc. | 3239 |
3 |
| SABIC Global Technologies B.V. | 4374 |
3 |
| Shenyang Pharmaceutical University | 110 |
3 |
| Wanhua Chemical Group Co., Ltd. | 354 |
3 |
| Yara International ASA | 860 |
3 |
| Allnex Netherlands B.V. | 192 |
3 |
| Evonik Operations GmbH | 4178 |
3 |
| Dow Portugal Produtos Quimicos, Sociedade Unipessoal, Lda | 5 |
3 |
| Novartis AG | 10709 |
2 |
| Hoffmann-La Roche Inc. | 3484 |
2 |
| The Boeing Company | 20139 |
2 |
| Other owners | 144 |