- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 255/23 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and carboxyl groups, other than cyano groups, bound to the same unsaturated acyclic carbon skeleton
Patent holdings for IPC class C07C 255/23
Total number of patents in this class: 74
10-year publication summary
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3
|
2
|
8
|
7
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4
|
3
|
3
|
3
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2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toagosei Co., Ltd. | 977 |
9 |
| Henkel AG & Co. KGaA | 10639 |
6 |
| Arkema France | 4171 |
4 |
| Henkel IP & Holding GmbH | 561 |
4 |
| Dow Global Technologies LLC | 10509 |
3 |
| Biocon Limited | 221 |
3 |
| The Regents of the University of California | 20230 |
2 |
| Alembic Pharmaceuticals Limited | 87 |
2 |
| Bostik SA | 656 |
2 |
| OptMed, Inc. | 21 |
2 |
| University of Washington | 2373 |
2 |
| FUJIFILM Toyama Chemical Co., Ltd. | 112 |
2 |
| FUJIFILM Corporation | 29752 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4673 |
1 |
| Takeda Pharmaceutical Company Limited | 2717 |
1 |
| University of Florida Research Foundation, Inc. | 4074 |
1 |
| Afinitica Technologies, S. L. | 13 |
1 |
| Alembic Limited | 54 |
1 |
| Brown University | 660 |
1 |
| DIC Corporation | 3830 |
1 |
| Other owners | 25 |