- All sections
- C - Chemistry; metallurgy
- 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: 207
10-year publication summary
|
12
|
20
|
9
|
11
|
13
|
21
|
13
|
17
|
12
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
7 |
| BYK-Chemie GmbH | 437 |
7 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
6 |
| Allnex Netherlands B.V. | 210 |
5 |
| Dow Global Technologies LLC | 10147 |
4 |
| Casale SA | 572 |
4 |
| Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences | 10 |
4 |
| Massachusetts Institute of Technology | 9795 |
3 |
| The Regents of the University of Michigan | 4409 |
3 |
| Purdue Research Foundation | 3277 |
3 |
| Celgene Corporation | 1412 |
3 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
3 |
| SABIC Global Technologies B.V. | 4044 |
3 |
| Stoller Enterprises, Inc. | 102 |
3 |
| Wanhua Chemical Group Co., Ltd. | 286 |
3 |
| Evonik Operations GmbH | 3879 |
3 |
| Dow Portugal Produtos Quimicos, Sociedade Unipessoal, Lda | 4 |
3 |
| Novartis AG | 11238 |
2 |
| F. Hoffmann-La Roche AG | 7958 |
2 |
| Hoffmann-La Roche Inc. | 3060 |
2 |
| Other owners | 134 |