- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 55/22 - Tricarboxylic acids
Patent holdings for IPC class C07C 55/22
Total number of patents in this class: 52
10-year publication summary
|
2
|
4
|
6
|
3
|
5
|
4
|
2
|
3
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 11254 |
5 |
| Bristol-myers Squibb Company | 4863 |
4 |
| Ventana Medical Systems, Inc. | 1003 |
3 |
| Ascend Performance Materials Operations LLC | 275 |
2 |
| Furman University | 40 |
2 |
| The Lubrizol Corporation | 1313 |
2 |
| The Michigan Biotechnology Institute | 17 |
2 |
| PfP Technology, LLC. | 7 |
2 |
| Purac Biochem B.V. | 499 |
2 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3043 |
2 |
| LG Chem, Ltd. | 17639 |
1 |
| Toyota Motor Corporation | 30455 |
1 |
| Janssen Pharmaceutica N.V. | 3612 |
1 |
| Amgen Inc. | 3899 |
1 |
| Saudi Basic Industries Corporation | 590 |
1 |
| Chevron U.S.A. Inc. | 3856 |
1 |
| Agency for Science, Technology and Research | 3561 |
1 |
| Vertex Pharmaceuticals Incorporated | 1568 |
1 |
| Northwestern University | 3276 |
1 |
| CTI Biopharma Corp. | 39 |
1 |
| Other owners | 16 |