- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/84 - Purification
Patent holdings for IPC class C07C 209/84
Total number of patents in this class: 256
10-year publication summary
|
22
|
15
|
16
|
13
|
12
|
16
|
12
|
17
|
15
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
34 |
| Covestro Deutschland AG | 2429 |
14 |
| Dow Global Technologies LLC | 10147 |
10 |
| Cathay Biotech Inc. | 81 |
9 |
| CJ Cheiljedang Corporation | 2964 |
8 |
| Tokuyama Corporation | 1248 |
6 |
| Evonik Operations GmbH | 3879 |
6 |
| Bayer MaterialScience AG | 874 |
4 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Toray Industries, Inc. | 6652 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
4 |
| Zogenix International Limited | 77 |
4 |
| Cibt America Inc. | 83 |
4 |
| Central Glass Company, Limited | 1244 |
3 |
| Genomatica, Inc. | 514 |
3 |
| Huntsman Petrochemical LLC | 276 |
3 |
| Mallinckrodt Inc. | 213 |
3 |
| Oryzon Genomics S.A. | 103 |
3 |
| Stella Chemifa Corporation | 118 |
3 |
| Teva Pharmaceuticals USA, Inc. | 1040 |
3 |
| Other owners | 124 |