- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 273/16 - SeparationPurification
Patent holdings for IPC class C07C 273/16
Total number of patents in this class: 180
10-year publication summary
|
8
|
11
|
11
|
18
|
14
|
13
|
15
|
10
|
14
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 302 |
59 |
| Casale SA | 613 |
43 |
| Yara International ASA | 866 |
23 |
| ThyssenKrupp AG | 3291 |
8 |
| Toyo Engineering Corporation | 148 |
8 |
| ThyssenKrupp Fertilizer Technology GmbH | 35 |
6 |
| Saipem S.p.A. | 515 |
5 |
| Tsinghua University | 5940 |
2 |
| Asklepion Pharmaceuticals, LLC | 12 |
2 |
| ThyssenKrupp Industrial Solutions AG | 632 |
2 |
| Uhde Fertilizer Technology B.V. | 15 |
2 |
| Urea Casale S.A. | 35 |
2 |
| Kyeongminwatercom Inc | 2 |
2 |
| DSM IP Assets B.V. | 5585 |
1 |
| Alfa Laval Olmi S.p.A | 21 |
1 |
| Aminologics Co., Ltd. | 14 |
1 |
| Aminolux, Inc. | 4 |
1 |
| Colonial Chemical Co | 5 |
1 |
| DSM Nutritional Products AG | 29 |
1 |
| Ewha University-industry Collaboration Foundation | 729 |
1 |
| Other owners | 9 |