- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/78 - Preparation processes
Patent holdings for IPC class C08G 63/78
Total number of patents in this class: 1131
10-year publication summary
|
73
|
89
|
88
|
78
|
71
|
88
|
79
|
89
|
88
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2239 |
52 |
| SK Chemicals Co., Ltd. | 568 |
42 |
| Mitsubishi Chemical Corporation | 4313 |
28 |
| BASF SE | 19740 |
24 |
| SABIC Global Technologies B.V. | 4044 |
20 |
| Uhde Inventa-Fischer GmbH | 131 |
20 |
| Toray Industries, Inc. | 6652 |
18 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
13 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
13 |
| Samsung Fine Chemicals Co., Ltd. | 181 |
13 |
| Sulzer Management AG | 613 |
13 |
| LG Chem, Ltd. | 17205 |
12 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
12 |
| Grupo Petrotemex, S.A. de C.V. | 72 |
11 |
| Lurgi Zimmer GmbH | 39 |
11 |
| Novomer, Inc. | 198 |
11 |
| Purac Biochem B.V. | 502 |
11 |
| Roquette Freres | 1002 |
11 |
| Xerox Corporation | 7503 |
10 |
| E. I. du Pont de Nemours and Company | 4345 |
10 |
| Other owners | 776 |