- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/127 - Acids containing aromatic rings
Patent holdings for IPC class C08G 63/127
Total number of patents in this class: 135
10-year publication summary
|
7
|
14
|
11
|
6
|
19
|
9
|
4
|
8
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2258 |
7 |
| FUJIFILM Corporation | 28805 |
6 |
| DIC Corporation | 3669 |
5 |
| SK Chemicals Co., Ltd. | 592 |
5 |
| Covestro (Netherlands) B.V. | 292 |
5 |
| Nitto Denko Corporation | 8089 |
4 |
| PPG Industries Ohio, Inc. | 3449 |
4 |
| Toray Industries, Inc. | 6855 |
4 |
| Mitsubishi Chemical Corporation | 4447 |
4 |
| Toyobo Co., Ltd. | 2423 |
4 |
| Kolon Industries, Inc. | 1589 |
3 |
| National Tsing Hua University | 1136 |
3 |
| Perstorp AB | 137 |
3 |
| SK Microworks Co., Ltd. | 171 |
3 |
| Toyobo MC Corporation | 307 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
2 |
| The United States of America as represented by the Secretary of the Army | 1183 |
2 |
| Chang Chun Plastics Co., Ltd. | 89 |
2 |
| Furanix Technologies B.V. | 136 |
2 |
| Niagara Bottling, LLC | 267 |
2 |
| Other owners | 62 |