- 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: 275
10-year publication summary
|
16
|
13
|
12
|
17
|
12
|
19
|
15
|
15
|
22
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21303 |
40 |
| Covestro Deutschland AG | 2831 |
20 |
| Dow Global Technologies LLC | 10930 |
10 |
| Cathay Biotech Inc. | 98 |
9 |
| CJ Cheiljedang Corporation | 3636 |
8 |
| Tokuyama Corporation | 1474 |
8 |
| Evonik Operations GmbH | 4336 |
7 |
| Orphalan S.A. | 11 |
7 |
| Genomatica, Inc. | 478 |
6 |
| Bayer MaterialScience AG | 713 |
4 |
| Sumitomo Chemical Company, Limited | 8996 |
4 |
| Toray Industries, Inc. | 7096 |
4 |
| Zogenix International Limited | 75 |
4 |
| Cibt America Inc. | 101 |
4 |
| Central Glass Company, Limited | 1291 |
3 |
| Huntsman Petrochemical LLC | 309 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3619 |
3 |
| Oryzon Genomics S.A. | 103 |
3 |
| Stella Chemifa Corporation | 120 |
3 |
| Versum Materials US, LLC | 677 |
3 |
| Other owners | 122 |