- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 273/12 - 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 combined with the synthesis of melamine
Patent holdings for IPC class C07C 273/12
Total number of patents in this class: 45
10-year publication summary
|
4
|
2
|
2
|
1
|
3
|
0
|
2
|
18
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 322 |
21 |
| Casale SA | 637 |
19 |
| AMI Agrolinz Melamine International GmbH | 5 |
1 |
| Borealis Agrolinz Melamine GmbH | 24 |
1 |
| Eurotecnica Melamine, Luxemburg, Zweigniederlassung in Ittigen | 4 |
1 |
| Urea Casale S.A. | 33 |
1 |
| Wuhuan Engineering Co., Ltd. | 14 |
1 |
| Other owners | 0 |