- All sections
- C - Chemistry; metallurgy
- 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: 247
10-year publication summary
|
20
|
14
|
26
|
23
|
14
|
15
|
14
|
23
|
10
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 4345 |
28 |
| DuPont Safety & Construction, Inc. | 676 |
15 |
| Toray Industries, Inc. | 6652 |
13 |
| Akron Polymer Systems, Inc. | 71 |
10 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Teijin Aramid B.V. | 182 |
6 |
| Teijin Limited | 1216 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Samsung SDI Co., Ltd. | 6671 |
4 |
| DSM IP Assets B.V. | 5856 |
4 |
| Capacitor Sciences Incorporated | 65 |
4 |
| Central Glass Company, Limited | 1244 |
4 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 754 |
4 |
| Zhen Ding Technology Co., Ltd. | 50 |
4 |
| Iontra Inc | 49 |
4 |
| Cheil Industries Inc. | 944 |
3 |
| Tsinghua University | 5426 |
3 |
| Other owners | 107 |