- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 249/20 - Benzotriazoles with aryl radicals directly attached in position 2
Patent holdings for IPC class C07D 249/20
Total number of patents in this class: 158
10-year publication summary
|
20
|
11
|
22
|
9
|
5
|
16
|
7
|
11
|
11
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Miyoshi Oil & Fat Co., Ltd. | 113 |
17 |
| BASF SE | 21334 |
16 |
| Alcon, Inc. | 5944 |
12 |
| Tokai Optical Co., Ltd. | 129 |
6 |
| 3m Innovative Properties Company | 17443 |
5 |
| FUJIFILM Corporation | 30808 |
5 |
| Adeka Corporation | 1389 |
5 |
| Hodogaya Chemical Co., Ltd. | 434 |
5 |
| Novartis AG | 10170 |
4 |
| Bayer Pharma AG | 1002 |
4 |
| DSM IP Assets B.V. | 5395 |
4 |
| Shipro Kasei Kaisha, Ltd. | 8 |
4 |
| Chitec Technology Co., Ltd. | 10 |
4 |
| Samsung Display Co., Ltd. | 39229 |
3 |
| L'OREAL, Société Anonyme | 16617 |
2 |
| Johnson & Johnson Vision Care, Inc. | 1154 |
2 |
| Hoffmann-La Roche Inc. | 3864 |
2 |
| Mitsui Chemicals, Inc. | 3288 |
2 |
| Yamamoto Chemicals, Inc. | 50 |
2 |
| Essilor International (compagnie Generale D'optique) | 3001 |
2 |
| Other owners | 52 |