- 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: 191
10-year publication summary
17
|
17
|
23
|
15
|
20
|
10
|
11
|
13
|
12
|
7
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 20912 |
8 |
MonoSol, LLC | 236 |
6 |
Apotex Inc. | 205 |
5 |
Neupharma, Inc. | 72 |
5 |
Amgen Inc. | 4073 |
4 |
Adverio Pharma GmbH | 45 |
4 |
Novartis AG | 10856 |
3 |
Pfizer Inc. | 3374 |
3 |
Wyeth LLC | 652 |
3 |
Merck Patent GmbH | 5828 |
3 |
Takeda Pharmaceutical Company Limited | 2714 |
3 |
Advenchen Pharmaceuticals, LLC | 22 |
3 |
Crystal Pharma, S.A.U. | 50 |
3 |
Gilead Sciences, Inc. | 2036 |
3 |
Teva Pharmaceuticals USA, Inc. | 899 |
3 |
Hefei Energy Research Institute | 4 |
3 |
Totus Medicines Inc. | 23 |
3 |
Vertex Pharmaceuticals Incorporated | 1599 |
2 |
Actavis Group PTC ehf | 465 |
2 |
Bayer Technology Services GmbH | 177 |
2 |
Other owners | 120 |