- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/40 - SeparationPurificationStabilisationUse of additives by change of physical state, e.g. by crystallisation
Patent holdings for IPC class C07C 41/40
Total number of patents in this class: 66
10-year publication summary
|
5
|
3
|
2
|
2
|
9
|
6
|
10
|
1
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4601 |
13 |
| Taoka Chemical Co., Ltd. | 57 |
9 |
| Honshu Chemical Industry Co., Ltd. | 176 |
5 |
| Kellanova | 505 |
3 |
| Pioneer Energy, Inc. | 19 |
2 |
| Biomedical Analysis Center, Academy Of Military Medical Sciences | 5 |
2 |
| DKS Co. Ltd. | 204 |
2 |
| Linde GmbH | 1274 |
2 |
| Bloom Biorenewables SA | 4 |
2 |
| Sumitomo Chemical Company, Limited | 9089 |
1 |
| NGK Insulators, Ltd. | 5131 |
1 |
| Daikin Industries, Ltd. | 10129 |
1 |
| Dow Global Technologies LLC | 10494 |
1 |
| Council of Scientific & Industrial Research | 1438 |
1 |
| DIC Corporation | 3827 |
1 |
| Katholieke Universiteit Leuven | 1207 |
1 |
| Kellogg Company | 100 |
1 |
| Korea Research Institute of Chemical Technology | 1406 |
1 |
| Lanxess Deutschland GmbH | 1110 |
1 |
| Linde Aktiengesellschaft | 1492 |
1 |
| Other owners | 15 |