- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 53/44 - Acyl halides containing rings
Patent holdings for IPC class C07C 53/44
Total number of patents in this class: 7
10-year publication summary
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| F. Hoffmann-La Roche AG | 7847 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3598 |
2 |
| Tianjin North Pharma Sci-Tech Co., Ltd. | 3 |
1 |
| Yangtze River Pharmacuetical (Group) Co., Ltd. | 1 |
1 |
| Shanghai Fanglun New Material Technology Co., Ltd. | 3 |
1 |
| Other owners | 0 |