- 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: 52
10-year publication summary
|
3
|
3
|
7
|
8
|
6
|
3
|
0
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mylan Institutional LLC | 8 |
5 |
| Cmblu Energy AG | 48 |
4 |
| University of Ottawa | 214 |
3 |
| Canon Inc. | 38296 |
2 |
| Centre National de La Recherche Scientifique | 10140 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5460 |
2 |
| Ajinomoto Co., Inc. | 2314 |
2 |
| Universite du Mans | 51 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6259 |
1 |
| JSR Corporation | 2476 |
1 |
| Wako Pure Chemical Industries, Ltd. | 142 |
1 |
| Japan Science and Technology Agency | 1416 |
1 |
| Albireo AB | 166 |
1 |
| Clariant International Ltd. | 953 |
1 |
| Dkc Corporation | 7 |
1 |
| Hangzhou Pushai Pharmaceutical Technology Co., Ltd. | 21 |
1 |
| Hough Ear Institute | 29 |
1 |
| Kyoto University | 2779 |
1 |
| Les Laboratoires Servier | 595 |
1 |
| Nagase & Co., Ltd. | 224 |
1 |
| Other owners | 18 |