- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 57/145 - Maleic acid
Patent holdings for IPC class C07C 57/145
Total number of patents in this class: 214
10-year publication summary
|
16
|
23
|
15
|
20
|
10
|
13
|
13
|
13
|
15
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21165 |
8 |
| MonoSol, LLC | 230 |
6 |
| Neupharma, Inc. | 72 |
6 |
| Apotex Inc. | 200 |
5 |
| Wyeth LLC | 610 |
4 |
| Amgen Inc. | 4383 |
4 |
| Adverio Pharma GmbH | 46 |
4 |
| Gilead Sciences, Inc. | 2207 |
4 |
| Novartis AG | 10338 |
3 |
| Pfizer Inc. | 3375 |
3 |
| Takeda Pharmaceutical Company Limited | 2718 |
3 |
| Advenchen Pharmaceuticals, LLC | 23 |
3 |
| Crystal Pharma, S.A.U. | 30 |
3 |
| Teva Pharmaceuticals USA, Inc. | 654 |
3 |
| Hefei Energy Research Institute | 4 |
3 |
| Totus Medicines Inc. | 23 |
3 |
| Merck Patent GmbH | 5669 |
2 |
| Vertex Pharmaceuticals Incorporated | 1589 |
2 |
| Actavis Group PTC ehf | 396 |
2 |
| Bayer Technology Services GmbH | 159 |
2 |
| Other owners | 141 |