- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 303/28 - Ethers with hydroxy compounds containing oxirane rings
Patent holdings for IPC class C07D 303/28
Total number of patents in this class: 63
10-year publication summary
|
6
|
6
|
11
|
5
|
5
|
2
|
2
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resonac Corporation | 2729 |
4 |
| Centre National de La Recherche Scientifique | 10395 |
3 |
| DIC Corporation | 3770 |
3 |
| Korea Kumho Petrochemical Co., Ltd. | 190 |
3 |
| Centre de Technologie Minérale et de Plasturgie Inc. | 3 |
3 |
| Mitsubishi Chemical Corporation | 4488 |
2 |
| Henkel AG & Co. KGaA | 10513 |
2 |
| Avril | 66 |
2 |
| DENTSPLY DeTrey GmbH | 170 |
2 |
| Institut National de La Recherche Agronomique (inra) | 162 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3452 |
2 |
| Oleotek Inc. | 2 |
2 |
| SABIC Global Technologies B.V. | 4318 |
2 |
| University of Massachusetts Lowell | 48 |
2 |
| Arianegroup SAS | 523 |
2 |
| Terres Inovia | 3 |
2 |
| Merck Patent GmbH | 5861 |
1 |
| Canon Inc. | 39618 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
1 |
| Sumitomo Chemical Company, Limited | 9027 |
1 |
| Other owners | 21 |