- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 43/315 - Compounds having groups containing oxygen atoms singly bound to carbon atoms not being acetal carbon atoms
Patent holdings for IPC class C07C 43/315
Total number of patents in this class: 78
10-year publication summary
|
3
|
8
|
6
|
7
|
4
|
3
|
6
|
3
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elementis Specialties, Inc. | 149 |
5 |
| Sumitomo Chemical Company, Limited | 9040 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3460 |
4 |
| Autifony Therapeutics Limited | 48 |
3 |
| Canopy Growth Corporation | 219 |
3 |
| Ecolab USA Inc. | 5471 |
3 |
| Maruzen Petrochemical Co., Ltd. | 179 |
3 |
| Oregon Health & Science University | 762 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5634 |
2 |
| California Institute of Technology | 3973 |
2 |
| Showa Denko K.K. | 2249 |
2 |
| Firmenich SA | 1684 |
2 |
| Flexitral, Inc. | 12 |
2 |
| Niitaka Co., Ltd. | 18 |
2 |
| NOK Corporation | 2215 |
2 |
| Toyo Gosei Co., Ltd. | 108 |
2 |
| DuPont Electronics, Inc. | 381 |
2 |
| Nouryon Chemicals International B.V. | 606 |
2 |
| Scianda (Changshu) Pharmaceuticals, Ltd. | 4 |
2 |
| Euroapi Hungary Limited Liability Company | 22 |
2 |
| Other owners | 26 |