- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 309/46 - Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
Patent holdings for IPC class C07C 309/46
Total number of patents in this class: 56
10-year publication summary
|
3
|
7
|
8
|
6
|
3
|
0
|
3
|
1
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mylan Institutional LLC | 8 |
5 |
| Cmblu Energy AG | 58 |
4 |
| University of Ottawa | 239 |
3 |
| Canon Inc. | 43869 |
2 |
| Centre National de La Recherche Scientifique | 11026 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
2 |
| Ajinomoto Co., Inc. | 2281 |
2 |
| JSR Corporation | 2558 |
2 |
| Symrise AG | 1850 |
2 |
| Universite du Mans | 61 |
2 |
| Wella Germany GmbH | 85 |
2 |
| FUJIFILM Corporation | 30516 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6656 |
1 |
| Wako Pure Chemical Industries, Ltd. | 119 |
1 |
| Japan Science and Technology Agency | 1212 |
1 |
| Albireo AB | 176 |
1 |
| Clariant International Ltd. | 891 |
1 |
| Dkc Corporation | 7 |
1 |
| Hangzhou Pushai Pharmaceutical Technology Co., Ltd. | 21 |
1 |
| Hough Ear Institute | 28 |
1 |
| Other owners | 19 |