- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 13/28 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
Patent holdings for IPC class C07C 13/28
Total number of patents in this class: 177
10-year publication summary
|
15
|
14
|
6
|
6
|
7
|
2
|
5
|
7
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 3954 |
83 |
| Merck Patent GmbH | 5758 |
8 |
| Sumitomo Chemical Company, Limited | 9105 |
6 |
| Cambridge Display Technology Limited | 491 |
4 |
| Samsung Display Co., Ltd. | 36065 |
3 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 186 |
3 |
| BASF SE | 21083 |
2 |
| LG Chem, Ltd. | 17685 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2798 |
2 |
| Daicel Corporation | 2402 |
2 |
| International Flavors & Fragrances Inc. | 513 |
2 |
| JNC Corporation | 1506 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3496 |
2 |
| Valiant Co., Ltd. | 20 |
2 |
| Samsung Electronics Co., Ltd. | 148765 |
1 |
| WD Media, LLC | 4 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6522 |
1 |
| Board of Regents, The University of Texas System | 5921 |
1 |
| Idemitsu Kosan Co., Ltd. | 4223 |
1 |
| Agency for Science, Technology and Research | 3650 |
1 |
| Other owners | 48 |