- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/90 - PurificationDrying
Patent holdings for IPC class C08G 63/90
Total number of patents in this class: 217
10-year publication summary
|
15
|
17
|
17
|
14
|
12
|
11
|
17
|
12
|
13
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sulzer Management AG | 712 |
14 |
| BASF SE | 21303 |
11 |
| Uhde Inventa-Fischer GmbH | 123 |
9 |
| LG Chem, Ltd. | 17921 |
6 |
| Kaneka Corporation | 4693 |
6 |
| Tepha, Inc. | 227 |
6 |
| Tolmar, Inc. | 46 |
6 |
| Abbott Cardiovascular Systems, Inc. | 1022 |
4 |
| Evonik Operations GmbH | 4336 |
4 |
| GS Caltex Corporation | 161 |
3 |
| Musashino Chemical Laboratory, Ltd. | 19 |
3 |
| Samyang Holdings Corporation | 214 |
3 |
| SK Chemicals Co., Ltd. | 651 |
3 |
| ThyssenKrupp AG | 3423 |
3 |
| The University of Akron | 623 |
3 |
| Newlight Technologies, Inc. | 94 |
3 |
| SWIMC, LLC | 2576 |
3 |
| E. I. du Pont de Nemours and Company | 3542 |
2 |
| Mitsui Chemicals, Inc. | 3242 |
2 |
| Mitsubishi Chemical Corporation | 4721 |
2 |
| Other owners | 121 |