- Sections
- C - Chimiemétallurgie
- C07C - Composés acycliques ou carbocycliques
- C07C 211/51 - Phénylènediamines
Détention brevets de la classe C07C 211/51
Brevets de cette classe: 99
Historique des publications depuis 10 ans
|
9
|
4
|
8
|
4
|
3
|
7
|
8
|
2
|
10
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| BASF SE | 21171 |
6 |
| Infineum International Limited | 429 |
4 |
| Chemtura Corporation | 132 |
3 |
| Ecolab USA Inc. | 5757 |
3 |
| Qingdao University of Science & Technology | 29 |
3 |
| Shandong Xingqiang Chemical Industry Technology Research Institute Co., Ltd | 7 |
3 |
| Zydus Lifesciences Limited | 132 |
3 |
| Samsung Electronics Co., Ltd. | 155524 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2851 |
2 |
| Collaborative Medicinal Development, LLC | 9 |
2 |
| Dongjin Semichem Co., Ltd. | 496 |
2 |
| INVISTA Technologies S.a.r.l. | 399 |
2 |
| Lanxess Corporation | 286 |
2 |
| Ocean University of China | 206 |
2 |
| Seikagaku Corporation | 169 |
2 |
| Shanghai Haiyan Pharmaceutical Technology Co. Ltd | 109 |
2 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 862 |
2 |
| Tohoku University | 2939 |
2 |
| Topharman Shanghai Co., Ltd. | 53 |
2 |
| Yangtze River Pharmaceutical (Group) Co., Ltd. | 146 |
2 |
| Autres propriétaires | 48 |