- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 69/32 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
Patent holdings for IPC class C08G 69/32
Total number of patents in this class: 266
10-year publication summary
|
14
|
26
|
23
|
14
|
15
|
14
|
23
|
10
|
18
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 4071 |
26 |
| Toray Industries, Inc. | 6945 |
16 |
| DuPont Safety & Construction, Inc. | 682 |
15 |
| Akron Polymer Systems, Inc. | 73 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3465 |
9 |
| LG Chem, Ltd. | 17638 |
7 |
| Teijin Aramid B.V. | 169 |
6 |
| Samsung Electronics Co., Ltd. | 146346 |
5 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 330 |
5 |
| Teijin Limited | 1246 |
5 |
| Samsung SDI Co., Ltd. | 8330 |
4 |
| Capacitor Sciences Incorporated | 58 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 843 |
4 |
| Iontra Inc | 69 |
4 |
| FUJIFILM Corporation | 29399 |
3 |
| Cheil Industries Inc. | 855 |
3 |
| Tsinghua University | 5931 |
3 |
| The United States of America as represented by the Secretary of the Army | 1214 |
3 |
| Archer Daniels Midland Company | 1115 |
3 |
| Central Glass Company, Limited | 1267 |
3 |
| Other owners | 128 |