- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 319/28 - Separation; Purification
Patent holdings for IPC class C07C 319/28
Total number of patents in this class: 207
10-year publication summary
|
15
|
9
|
11
|
22
|
18
|
25
|
24
|
18
|
13
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arkema France | 3790 |
18 |
| Sumitomo Chemical Company, Limited | 8808 |
16 |
| Evonik Operations GmbH | 3879 |
14 |
| Mitsui Chemicals, Inc. | 3134 |
8 |
| Chevron Phillips Chemical Company LP | 1779 |
7 |
| CJ Cheiljedang Corporation | 2964 |
6 |
| Bluestar Adisseo Nanjing Co.,Ltd. | 8 |
6 |
| Evonik Degussa GmbH | 1574 |
5 |
| Uop LLC | 4083 |
5 |
| Adisseo France S.A.S. | 147 |
5 |
| KYORIN Pharmaceutical Co., Ltd. | 188 |
5 |
| Zhejiang University | 2619 |
5 |
| Arkema Inc. | 1075 |
4 |
| Zhejiang Nhu Company Limited | 143 |
4 |
| Shandong Nhu Amino Acid Co.,Ltd. | 14 |
4 |
| Pfizer Inc. | 3322 |
3 |
| Chevron Oronite Company LLC | 551 |
3 |
| Glytech, Inc. | 67 |
3 |
| Indena S.p.A. | 661 |
3 |
| Kumiai Chemical Industry Co., Ltd. | 307 |
3 |
| Other owners | 80 |