- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 63/26 - 1,4-Benzenedicarboxylic acid
Patent holdings for IPC class C07C 63/26
Total number of patents in this class: 338
10-year publication summary
|
14
|
17
|
18
|
10
|
13
|
14
|
12
|
16
|
17
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2262 |
40 |
| Uop LLC | 4188 |
19 |
| Grupo Petrotemex, S.A. de C.V. | 69 |
17 |
| INVISTA Technologies S.a.r.l. | 425 |
16 |
| BP Corporation North America Inc. | 763 |
15 |
| Mitsubishi Gas Chemical Company, Inc. | 3352 |
9 |
| SABIC Global Technologies B.V. | 4230 |
9 |
| Tianhua Institute of Chemical Machinery and Automation Co., Ltd. | 37 |
9 |
| Hitachi Plant Technologies, Ltd. | 66 |
7 |
| LG Chem, Ltd. | 17662 |
6 |
| Boreskov Institute of Catalysis | 24 |
6 |
| INEOS US Chemicals Company | 32 |
6 |
| Sumitomo Chemical Company, Limited | 9008 |
5 |
| Mitsubishi Chemical Corporation | 4465 |
5 |
| China Petroleum & Chemical Corporation | 1795 |
5 |
| Nitto Denko Corporation | 8103 |
4 |
| China National Petroleum Corporation | 336 |
4 |
| Kyoto University | 2781 |
4 |
| Mizushima Aroma Company, Ltd. | 5 |
4 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 266 |
4 |
| Other owners | 144 |