- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/672 - Dicarboxylic acids and dihydroxy compounds
Patent holdings for IPC class C08G 63/672
Total number of patents in this class: 712
10-year publication summary
|
37
|
50
|
77
|
58
|
70
|
73
|
76
|
74
|
80
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roquette Freres | 1002 |
49 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
37 |
| Eastman Chemical Company | 2239 |
36 |
| SK Chemicals Co., Ltd. | 568 |
36 |
| Toyobo Co., Ltd. | 2286 |
20 |
| Mitsubishi Chemical Corporation | 4313 |
17 |
| Furanix Technologies B.V. | 133 |
17 |
| BASF SE | 19740 |
15 |
| Clariant International Ltd. | 978 |
13 |
| Dow Global Technologies LLC | 10147 |
11 |
| Avantium Knowledge Centre B.V. | 157 |
11 |
| SABIC Global Technologies B.V. | 4044 |
10 |
| Teijin Limited | 1216 |
10 |
| Kao Corporation | 4843 |
9 |
| Covestro Deutschland AG | 2429 |
9 |
| E. I. du Pont de Nemours and Company | 4345 |
8 |
| Honeywell International Inc. | 13799 |
8 |
| Clariant Finance (BVI) Limited | 427 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Rohm and Haas Company | 2805 |
7 |
| Other owners | 374 |