- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/50 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
Patent holdings for IPC class C07C 211/50
Total number of patents in this class: 179
10-year publication summary
|
6
|
9
|
14
|
11
|
20
|
5
|
6
|
12
|
10
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21053 |
22 |
| Covestro Deutschland AG | 2776 |
10 |
| Wanhua Chemical Group Co., Ltd. | 354 |
8 |
| Arkema France | 4175 |
7 |
| Evonik Degussa GmbH | 1478 |
6 |
| Centre National de La Recherche Scientifique | 10611 |
5 |
| Idemitsu Kosan Co., Ltd. | 4238 |
4 |
| Huntsman International LLC | 721 |
4 |
| The United States Government AS represented by The Department of Veterans Affairs | 1212 |
4 |
| The Trustees of Columbia University in the City of New York | 3599 |
3 |
| Dongjin Semichem Co., Ltd. | 486 |
3 |
| IFP Energies Nouvelles | 2965 |
3 |
| Nippon Kayaku Kabushiki Kaisha | 1448 |
3 |
| Nippon Polyurethane Industry Co., Ltd. | 88 |
3 |
| The United States of America as represented by the Secretary of the Air Force | 863 |
3 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3195 |
3 |
| E. I. du Pont de Nemours and Company | 3967 |
2 |
| Beijing Institute of Technology | 375 |
2 |
| Collaborative Medicinal Development, LLC | 9 |
2 |
| Cytec Industries Inc. | 410 |
2 |
| Other owners | 80 |