- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 311/84 - Xanthenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9
Patent holdings for IPC class C07D 311/84
Total number of patents in this class: 31
10-year publication summary
|
7
|
6
|
1
|
4
|
1
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Umicore Suzhou Semiconductor Materials Co., Ltd. | 12 |
4 |
| Suzhou Shinhao Materials LLC | 7 |
3 |
| Life Technologies Corporation | 3458 |
2 |
| Braskem America, Inc. | 243 |
2 |
| StoreDot Ltd. | 112 |
2 |
| Vironova Thionation AB | 5 |
2 |
| AstraZeneca AB | 2817 |
1 |
| Bayer Cropscience AG | 1833 |
1 |
| Seiko Epson Corporation | 20406 |
1 |
| 92229129 Quebec Inc. | 5 |
1 |
| Argenta Discovery Ltd. | 31 |
1 |
| Blade Therapeutics, Inc. | 15 |
1 |
| Dana-Farber Cancer Institute, Inc. | 2671 |
1 |
| Fudan University | 769 |
1 |
| Icahn School of Medicine at Mount Sinai | 1050 |
1 |
| MethylGene Inc. | 32 |
1 |
| Universidad De Burgos | 33 |
1 |
| Valorisation-recherche, Limited Partnership | 54 |
1 |
| Zeon Corporation | 4169 |
1 |
| 7503547 Canada, Inc. | 5 |
1 |
| Other owners | 2 |