- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/64 - Quaternary ammonium compounds having quaternised nitrogen atoms bound to carbon atoms of six-membered aromatic rings
Patent holdings for IPC class C07C 211/64
Total number of patents in this class: 78
10-year publication summary
|
9
|
1
|
0
|
6
|
16
|
8
|
5
|
6
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Chemical Patents Inc. | 4286 |
9 |
| Samsung SDI Co., Ltd. | 6671 |
7 |
| Techfields Biochem Co. Ltd | 22 |
4 |
| Dai Nippon Printing Co., Ltd. | 3891 |
2 |
| The General Hospital Corporation | 4517 |
2 |
| Yamamoto Chemicals, Inc. | 46 |
2 |
| Almirall, S.A. | 534 |
2 |
| Astellas Pharma Inc. | 1145 |
2 |
| Covestro Deutschland AG | 2429 |
2 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
2 |
| Eastman Chemical Company | 2239 |
2 |
| National Institutes for Quantum and Radiological Science and Technology | 107 |
2 |
| Riken | 1669 |
2 |
| SABIC SK Nexlene Company Pte. Ltd. | 79 |
2 |
| Canon Kabushiki Kaisha | 6884 |
2 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
2 |
| Canon Inc. | 36841 |
1 |
| Hitachi Chemical Company, Ltd. | 2455 |
1 |
| Chevron U.S.A. Inc. | 3774 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
1 |
| Other owners | 28 |