- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/692 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing phosphorus
Patent holdings for IPC class C08G 63/692
Total number of patents in this class: 118
10-year publication summary
|
11
|
13
|
8
|
8
|
10
|
9
|
9
|
8
|
3
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3325 |
9 |
| International Business Machines Corporation | 62672 |
7 |
| ICL-IP America Inc. | 140 |
5 |
| LG Chem, Ltd. | 17937 |
4 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 117 |
4 |
| SK Chemicals Co., Ltd. | 649 |
4 |
| Toyobo Co., Ltd. | 2532 |
4 |
| Evonik Operations GmbH | 4374 |
4 |
| Toray Industries, Inc. | 7116 |
3 |
| DIC Corporation | 3965 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3397 |
2 |
| E. I. du Pont de Nemours and Company | 3521 |
2 |
| Shell Oil Company | 2067 |
2 |
| Arkema France | 4246 |
2 |
| Eternal Materials Co., Ltd. | 98 |
2 |
| FRX Polymers, Inc. | 46 |
2 |
| Huntsman International LLC | 694 |
2 |
| Indorama Ventures PCL | 16 |
2 |
| Jiangsu Yoke Technology Co., Ltd | 16 |
2 |
| Nan Ya Plastics Corporation | 501 |
2 |
| Other owners | 51 |