- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 273/00 - 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
Patent holdings for IPC class C07C 273/00
Total number of patents in this class: 82
10-year publication summary
|
3
|
6
|
1
|
5
|
5
|
0
|
5
|
1
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Covestro LLC | 577 |
5 |
| North Dakota State University | 14 |
5 |
| Saipem S.p.A. | 513 |
4 |
| Stamicarbon B.V. | 265 |
4 |
| Mitsui Chemicals, Inc. | 3134 |
3 |
| Yara International ASA | 753 |
3 |
| BASF SE | 19740 |
2 |
| Allergan, Inc. | 2600 |
2 |
| Bayer Animal Health GmbH | 300 |
2 |
| Chevron U.S.A. Inc. | 3774 |
2 |
| Casale SA | 572 |
2 |
| The Chemours Company Fc, LLC | 1107 |
2 |
| Institut Mines-telecom | 253 |
2 |
| The Kitasato Institute | 146 |
2 |
| Universite de Lorraine | 341 |
2 |
| Universite Libanaise | 20 |
2 |
| W.M. Barr & Company, Inc. | 174 |
2 |
| Bristol-myers Squibb Company | 5080 |
1 |
| LG Chem, Ltd. | 17205 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Other owners | 33 |