- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/81 - Preparation processes using solvents
Patent holdings for IPC class C08G 63/81
Total number of patents in this class: 126
10-year publication summary
|
11
|
7
|
6
|
11
|
17
|
7
|
14
|
18
|
9
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Natural Fiber Welding, Inc. | 107 |
17 |
| The Secant Group, LLC | 109 |
5 |
| Ricoh Company, Ltd. | 13266 |
4 |
| Cyclics Corporation | 10 |
4 |
| SWIMC, LLC | 2426 |
4 |
| Council of Scientific & Industrial Research | 1397 |
3 |
| Pharmathen S.A. | 160 |
3 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Medtronic, Inc. | 9964 |
2 |
| Kaneka Corporation | 4445 |
2 |
| FPInnovations | 259 |
2 |
| Grupo Petrotemex, S.A. de C.V. | 72 |
2 |
| Liquid Thermo Plastics, Inc. | 3 |
2 |
| Momentive Performance Materials Inc. | 861 |
2 |
| Sulzer Management AG | 613 |
2 |
| Tubitak | 113 |
2 |
| Universiteit Gent | 1276 |
2 |
| Avantium Knowledge Centre B.V. | 157 |
2 |
| Seyang Polymer | 5 |
2 |
| Nanjing Zaiming Pharmaceutical Co., Ltd. | 11 |
2 |
| Other owners | 60 |