- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 47/22 - Acrylaldehyde; Methacrylaldehyde
Patent holdings for IPC class C07C 47/22
Total number of patents in this class: 281
10-year publication summary
|
17
|
6
|
14
|
20
|
13
|
15
|
18
|
9
|
19
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kayaku Kabushiki Kaisha | 1400 |
44 |
| Rohm and Haas Company | 2805 |
37 |
| Arkema France | 3790 |
33 |
| Mitsubishi Chemical Corporation | 4313 |
24 |
| Nippon Shokubai Co., Ltd. | 1487 |
17 |
| BASF SE | 19740 |
15 |
| Rohm GmbH | 299 |
12 |
| LG Chem, Ltd. | 17205 |
11 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
7 |
| Evonik Röhm GmbH | 452 |
6 |
| Evonik Degussa GmbH | 1574 |
4 |
| Adisseo France S.A.S. | 147 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Showa Denko K.K. | 2539 |
3 |
| Battelle Memorial Institute | 2356 |
3 |
| Asahi Kasei Chemicals Corporation | 809 |
3 |
| Eastman Chemical Company | 2239 |
3 |
| Hitachi Plant Technologies, Ltd. | 67 |
3 |
| Roehm GmbH | 94 |
3 |
| Other owners | 43 |