- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 209/84 - Purification
Patent holdings for IPC class C07C 209/84
Total number of patents in this class: 273
10-year publication summary
|
16
|
13
|
12
|
17
|
12
|
19
|
15
|
15
|
22
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21165 |
39 |
| Covestro Deutschland AG | 2808 |
20 |
| Dow Global Technologies LLC | 10845 |
10 |
| Cathay Biotech Inc. | 98 |
9 |
| CJ Cheiljedang Corporation | 3600 |
8 |
| Tokuyama Corporation | 1464 |
8 |
| Evonik Operations GmbH | 4283 |
7 |
| Orphalan S.A. | 11 |
7 |
| Genomatica, Inc. | 477 |
6 |
| Bayer MaterialScience AG | 716 |
4 |
| Sumitomo Chemical Company, Limited | 9015 |
4 |
| Toray Industries, Inc. | 7067 |
4 |
| Central Glass Company, Limited | 1289 |
4 |
| Zogenix International Limited | 75 |
4 |
| Cibt America Inc. | 101 |
4 |
| Huntsman Petrochemical LLC | 304 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
3 |
| Oryzon Genomics S.A. | 103 |
3 |
| Stella Chemifa Corporation | 120 |
3 |
| Versum Materials US, LLC | 669 |
3 |
| Other owners | 120 |