- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/90 - Purification; Drying
Patent holdings for IPC class C08G 63/90
Total number of patents in this class: 197
10-year publication summary
|
8
|
18
|
15
|
17
|
17
|
14
|
12
|
11
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
12 |
| Sulzer Management AG | 613 |
10 |
| Uhde Inventa-Fischer GmbH | 131 |
9 |
| Tepha, Inc. | 233 |
6 |
| Tolmar, Inc. | 49 |
6 |
| Kaneka Corporation | 4445 |
5 |
| Abbott Cardiovascular Systems, Inc. | 1117 |
4 |
| Samyang Holdings Corporation | 153 |
4 |
| The University of Akron | 674 |
4 |
| Evonik Corporation | 100 |
3 |
| Asahi Kasei Chemicals Corporation | 809 |
3 |
| Meredian, Inc. | 35 |
3 |
| Musashino Chemical Laboratory, Ltd. | 23 |
3 |
| ThyssenKrupp AG | 3086 |
3 |
| SWIMC, LLC | 2426 |
3 |
| Evonik Operations GmbH | 3879 |
3 |
| The Procter & Gamble Company | 22178 |
2 |
| LG Chem, Ltd. | 17205 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Other owners | 108 |