- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 41/54 - Preparation of compounds having groups by reactions producing groups by addition of compounds to unsaturated carbon-to-carbon bonds
Patent holdings for IPC class C07C 41/54
Total number of patents in this class: 25
10-year publication summary
|
1
|
1
|
3
|
0
|
3
|
1
|
2
|
5
|
1
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DSM IP Assets B.V. | 5856 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Asymchem Laboratories (fuxin) Co., Ltd | 38 |
3 |
| Maruzen Petrochemical Co., Ltd. | 171 |
3 |
| Kyowa Hakko Chemical Co., Ltd. | 44 |
2 |
| S H Kelkar & Company Limited | 10 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| Firmenich SA | 1612 |
1 |
| Niitaka Co., Ltd. | 18 |
1 |
| Solvay Solexis S.p.A. | 137 |
1 |
| Suterra, LLC | 48 |
1 |
| Symrise AG | 1597 |
1 |
| Agc, Inc. | 4029 |
1 |
| Other owners | 0 |