- All sections
- C - Chemistry; metallurgy
- 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
|
7
|
12
|
6
|
12
|
10
|
0
|
5
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Recurium IP Holdings, LLC | 138 |
5 |
| Shenzhen University | 1544 |
4 |
| The Procter & Gamble Company | 22178 |
2 |
| The Regents of the University of California | 18943 |
2 |
| Honeywell International Inc. | 13799 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Assistance Publique - Hopitaux de Paris | 933 |
2 |
| Inktec Co., Ltd. | 148 |
2 |
| Sachem, Inc. | 74 |
2 |
| Saudi Arabian Oil Company | 11322 |
2 |
| ThermoLife International, LLC | 118 |
2 |
| Trioptotec GmbH | 18 |
2 |
| Vanderbilt Chemicals, LLC | 147 |
2 |
| BioNano Health Guard Research Center | 40 |
2 |
| Seoul National University R&db Foundation | 2976 |
2 |
| Nectar Health Sciences Inc. | 10 |
2 |
| Baker Hughes Incorporated | 5689 |
1 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| International Business Machines Corporation | 60644 |
1 |
| Boehringer Ingelheim Vetmedica GmbH | 1290 |
1 |
| Other owners | 65 |