- 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: 215
10-year publication summary
|
16
|
23
|
15
|
20
|
10
|
13
|
13
|
13
|
16
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21308 |
8 |
| MonoSol, LLC | 231 |
6 |
| Neupharma, Inc. | 73 |
6 |
| Wyeth LLC | 605 |
4 |
| Amgen Inc. | 4429 |
4 |
| Adverio Pharma GmbH | 47 |
4 |
| Apotex Inc. | 203 |
4 |
| Gilead Sciences, Inc. | 2226 |
4 |
| Novartis AG | 10251 |
3 |
| Pfizer Inc. | 3396 |
3 |
| Advenchen Pharmaceuticals, LLC | 24 |
3 |
| Crystal Pharma, S.A.U. | 31 |
3 |
| Teva Pharmaceuticals USA, Inc. | 636 |
3 |
| Hefei Energy Research Institute | 4 |
3 |
| Totus Medicines Inc. | 23 |
3 |
| Merck Patent GmbH | 5729 |
2 |
| Takeda Pharmaceutical Company Limited | 2710 |
2 |
| Vertex Pharmaceuticals Incorporated | 1578 |
2 |
| Actavis Group PTC ehf | 392 |
2 |
| Bayer Technology Services GmbH | 155 |
2 |
| Other owners | 144 |