- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 211/62 - Quaternary ammonium compounds
Patent holdings for IPC class C07C 211/62
Total number of patents in this class: 106
10-year publication summary
|
6
|
11
|
6
|
12
|
8
|
0
|
5
|
5
|
3
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kthera, LLC | 7 |
5 |
| Shenzhen University | 1650 |
4 |
| Nectar Health Sciences Inc. | 11 |
3 |
| The Procter & Gamble Company | 22011 |
2 |
| The Regents of the University of California | 20035 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5680 |
2 |
| Assistance Publique - Hopitaux de Paris | 1010 |
2 |
| Dunn-edwards Corporation, AKA Dunn-edwards | 101 |
2 |
| Sachem, Inc. | 71 |
2 |
| Saudi Arabian Oil Company | 13316 |
2 |
| ThermoLife International, LLC | 128 |
2 |
| Trioptotec GmbH | 17 |
2 |
| Vanderbilt Chemicals, LLC | 145 |
2 |
| BioNano Health Guard Research Center | 42 |
2 |
| Seoul National University R&db Foundation | 3662 |
2 |
| Baker Hughes Incorporated | 5254 |
1 |
| Halliburton Energy Services, Inc. | 20937 |
1 |
| International Business Machines Corporation | 61402 |
1 |
| Boehringer Ingelheim Vetmedica GmbH | 1277 |
1 |
| Honeywell International Inc. | 13554 |
1 |
| Other owners | 65 |