- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/183 - Terephthalic acids
Patent holdings for IPC class C08G 63/183
Total number of patents in this class: 1611
10-year publication summary
|
62
|
86
|
113
|
130
|
127
|
129
|
154
|
194
|
153
|
116
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SK Chemicals Co., Ltd. | 616 |
102 |
| Eastman Chemical Company | 2207 |
100 |
| Toyobo Co., Ltd. | 2534 |
58 |
| SABIC Global Technologies B.V. | 4370 |
39 |
| Mitsubishi Chemical Corporation | 4579 |
38 |
| Novamont S.p.A. | 355 |
33 |
| Toray Industries, Inc. | 7000 |
29 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 115 |
29 |
| LG Chem, Ltd. | 17676 |
27 |
| Kingfa SCI & Tech Co. Ltd. | 648 |
23 |
| Toyobo MC Corporation | 383 |
23 |
| BASF SE | 21017 |
20 |
| PPG Industries Ohio, Inc. | 3444 |
19 |
| Nan Ya Plastics Corporation | 441 |
19 |
| SK Microworks Co., Ltd. | 148 |
18 |
| E. I. du Pont de Nemours and Company | 3988 |
14 |
| Kolon Industries, Inc. | 1702 |
13 |
| The Procter & Gamble Company | 22006 |
12 |
| Evonik Operations GmbH | 4174 |
12 |
| Canon Inc. | 40509 |
11 |
| Other owners | 972 |