- 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: 149
10-year publication summary
|
4
|
20
|
11
|
22
|
9
|
5
|
16
|
7
|
10
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Miyoshi Oil & Fat Co., Ltd. | 99 |
15 |
| BASF SE | 20933 |
14 |
| Alcon, Inc. | 5425 |
11 |
| Tokai Optical Co., Ltd. | 129 |
6 |
| 3m Innovative Properties Company | 17833 |
5 |
| Adeka Corporation | 1362 |
5 |
| Novartis AG | 10849 |
4 |
| Bayer Pharma AG | 1052 |
4 |
| FUJIFILM Corporation | 29367 |
4 |
| DSM IP Assets B.V. | 5591 |
4 |
| Hodogaya Chemical Co., Ltd. | 434 |
4 |
| Shipro Kasei Kaisha, Ltd. | 7 |
4 |
| Chitec Technology Co., Ltd. | 10 |
4 |
| Samsung Display Co., Ltd. | 34696 |
3 |
| L'OREAL, Société Anonyme | 15488 |
2 |
| Johnson & Johnson Vision Care, Inc. | 1183 |
2 |
| Hoffmann-La Roche Inc. | 3418 |
2 |
| Mitsui Chemicals, Inc. | 3215 |
2 |
| Yamamoto Chemicals, Inc. | 50 |
2 |
| Essilor International (compagnie Generale D'optique) | 2993 |
2 |
| Other owners | 50 |