- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 251/86 - Hydrazones having doubly-bound carbon atoms of hydrazone groups bound to carbon atoms of six-membered aromatic rings
Patent holdings for IPC class C07C 251/86
Total number of patents in this class: 161
10-year publication summary
|
13
|
19
|
12
|
10
|
5
|
8
|
3
|
6
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4151 |
10 |
| The Research Foundation for The State University of New York | 1743 |
9 |
| Dow AgroSciences LLC | 1185 |
7 |
| Acucela Inc. | 152 |
7 |
| DIC Corporation | 3965 |
6 |
| LG Chem, Ltd. | 17929 |
5 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 205 |
5 |
| Bayer Cropscience AG | 1841 |
4 |
| Seoul National University R&db Foundation | 4177 |
4 |
| Nissan Chemical Corporation | 2229 |
4 |
| The Trustees of the University of Pennsylvania | 4416 |
3 |
| Case Western Reserve University | 1892 |
3 |
| Dana-Farber Cancer Institute, Inc. | 2665 |
3 |
| Ligand Pharmaceuticals Incorporated | 168 |
3 |
| Trustees of Dartmouth College | 1110 |
3 |
| University of Utah Research Foundation | 1864 |
3 |
| Usher III Initiative, Inc. | 19 |
3 |
| Renovel Innovations, Inc | 15 |
3 |
| President and Fellows of Harvard College | 6092 |
2 |
| Ambrx, Inc. | 170 |
2 |
| Other owners | 72 |