- 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: 778
10-year publication summary
|
50
|
77
|
58
|
70
|
73
|
76
|
75
|
83
|
82
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roquette Freres | 1028 |
48 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
42 |
| Eastman Chemical Company | 2258 |
41 |
| SK Chemicals Co., Ltd. | 592 |
39 |
| Toyobo Co., Ltd. | 2423 |
22 |
| Mitsubishi Chemical Corporation | 4447 |
17 |
| Furanix Technologies B.V. | 136 |
17 |
| Clariant International Ltd. | 954 |
16 |
| Avantium Knowledge Centre B.V. | 176 |
16 |
| BASF SE | 20432 |
15 |
| Dow Global Technologies LLC | 10156 |
11 |
| Kolon Industries, Inc. | 1589 |
11 |
| SABIC Global Technologies B.V. | 4203 |
11 |
| LG Chem, Ltd. | 17639 |
10 |
| Covestro Deutschland AG | 2692 |
10 |
| Teijin Limited | 1233 |
10 |
| Honeywell International Inc. | 14021 |
9 |
| Kao Corporation | 4916 |
9 |
| E. I. du Pont de Nemours and Company | 4249 |
8 |
| Clariant Finance (BVI) Limited | 403 |
8 |
| Other owners | 408 |