- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 249/04 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes
Patent holdings for IPC class C07C 249/04
Total number of patents in this class: 93
10-year publication summary
|
9
|
4
|
4
|
3
|
8
|
2
|
0
|
2
|
0
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8992 |
6 |
| FUJIFILM Corporation | 30808 |
5 |
| Toray Industries, Inc. | 7161 |
4 |
| China Petroleum & Chemical Corporation | 2190 |
4 |
| Taminco BVBA | 52 |
4 |
| Nanjing Yanchang Reaction Technology Research Institute Co. Ltd | 120 |
4 |
| Evonik Operations GmbH | 4443 |
3 |
| Sinopec Research Institute of Petroleum Processing Co., Ltd. | 141 |
3 |
| BASF SE | 21334 |
2 |
| Changzhou Tronly Advanced Electronic Materials Co., Ltd. | 90 |
2 |
| Changzhou Tronly New Electronic Materials Co.,Ltd. | 88 |
2 |
| China Petrochemical Development Corporation | 22 |
2 |
| Nanjing University of Technology | 93 |
2 |
| National Tsing Hua University | 1281 |
2 |
| Politechnika Warszawska | 90 |
2 |
| University College Cardiff Consultants Limited | 250 |
2 |
| University of Southampton | 468 |
2 |
| Versalis S.P.A. | 528 |
2 |
| Jiangsu Hecheng Advanced Materials Co., Ltd. | 9 |
2 |
| LG Chem, Ltd. | 17986 |
1 |
| Other owners | 37 |