- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 241/04 - Preparation of hydrazides
Patent holdings for IPC class C07C 241/04
Total number of patents in this class: 51
10-year publication summary
|
4
|
4
|
1
|
2
|
1
|
0
|
2
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wyeth LLC | 652 |
5 |
| Intrexon Corporation | 110 |
3 |
| Neoculi Pty Ltd | 18 |
3 |
| FUJIFILM Corporation | 29305 |
2 |
| PPG Industries Ohio, Inc. | 3457 |
2 |
| Korea Institute of Ocean Science and Technology | 30 |
2 |
| Malaysian Palm Oil Board | 115 |
2 |
| Universiti Putra Malaysia | 150 |
2 |
| Sandoz AG | 1422 |
1 |
| Merck & Co., Inc. | 348 |
1 |
| E. I. du Pont de Nemours and Company | 4095 |
1 |
| The Boeing Company | 20042 |
1 |
| Sumitomo Chemical Company, Limited | 9040 |
1 |
| Asahi Glass Company, Limited | 2799 |
1 |
| President and Fellows of Harvard College | 5966 |
1 |
| Bioregen Biomedical (Changzhou) Co., Ltd. | 29 |
1 |
| Dana-Farber Cancer Institute, Inc. | 2558 |
1 |
| Danmarks Tekniske Universitet | 965 |
1 |
| Dignity Sciences Limited | 15 |
1 |
| Fermion Oy | 17 |
1 |
| Other owners | 18 |