- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 13/66 - Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with more than three condensed rings the condensed ring system contains only four rings
Patent holdings for IPC class C07C 13/66
Total number of patents in this class: 106
10-year publication summary
|
11
|
8
|
4
|
5
|
1
|
9
|
5
|
8
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4241 |
19 |
| LG Chem, Ltd. | 17929 |
6 |
| Samsung Display Co., Ltd. | 38676 |
5 |
| Canon Inc. | 43869 |
5 |
| Rohm and Haas Electronic Materials Korea Ltd. | 332 |
4 |
| Universal Display Corporation | 2088 |
4 |
| Board of Regents, The University of Texas System | 6117 |
3 |
| Beijing Aglaia Technology Development Co., Ltd. | 40 |
3 |
| Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. | 385 |
3 |
| Canon Kabushiki Kaisha | 7341 |
3 |
| E. I. du Pont de Nemours and Company | 3526 |
2 |
| JSR Corporation | 2558 |
2 |
| Guangdong Aglaia Optoelectronic Materials Co., Ltd. | 178 |
2 |
| Novaled GmbH | 486 |
2 |
| Trustees of Dartmouth College | 1110 |
2 |
| SABIC SK Nexlene Company Pte. Ltd. | 72 |
2 |
| Merck Sharp & Dohme LLC | 3736 |
2 |
| Beijing Sineva Material Technology Co., Ltd | 3 |
2 |
| Fuyang Sineva Material Technology Co., Ltd | 14 |
2 |
| Merck Patent GmbH | 5729 |
1 |
| Other owners | 32 |