- 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: 197
10-year publication summary
|
14
|
15
|
20
|
17
|
19
|
21
|
12
|
17
|
23
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stamicarbon B.V. | 321 |
64 |
| Casale SA | 639 |
48 |
| Yara International ASA | 907 |
27 |
| ThyssenKrupp AG | 3353 |
8 |
| Toyo Engineering Corporation | 155 |
8 |
| ThyssenKrupp Fertilizer Technology GmbH | 35 |
6 |
| Saipem S.p.A. | 529 |
5 |
| Tsinghua University | 6233 |
2 |
| Asklepion Pharmaceuticals, LLC | 11 |
2 |
| ThyssenKrupp Industrial Solutions AG | 630 |
2 |
| Uhde Fertilizer Technology B.V. | 15 |
2 |
| Urea Casale S.A. | 33 |
2 |
| Kyeongminwatercom Inc | 2 |
2 |
| Alfa Laval Olmi S.p.A | 22 |
1 |
| Aminologics Co., Ltd. | 15 |
1 |
| Aminolux, Inc. | 4 |
1 |
| Apotex Inc. | 203 |
1 |
| Colonial Chemical Co | 5 |
1 |
| DSM Nutritional Products AG | 28 |
1 |
| Ewha University-industry Collaboration Foundation | 806 |
1 |
| Other owners | 12 |