- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 73/18 - Polybenzimidazoles
Patent holdings for IPC class C08G 73/18
Total number of patents in this class: 231
10-year publication summary
|
13
|
9
|
10
|
16
|
10
|
8
|
9
|
16
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| E. I. du Pont de Nemours and Company | 3473 |
19 |
| PBI Performance Products, Inc. | 75 |
18 |
| DuPont Safety & Construction, Inc. | 680 |
16 |
| BASF SE | 21320 |
8 |
| Daikin Industries, Ltd. | 10513 |
8 |
| Simon Fraser University | 283 |
8 |
| National University Corporation, Iwate University | 101 |
7 |
| 1s1 Energy, Inc. | 34 |
7 |
| Toray Industries, Inc. | 7143 |
5 |
| BASF Schweiz AG | 28 |
5 |
| Council of Scientific & Industrial Research | 1448 |
5 |
| BASF (China) Co., Ltd. | 890 |
5 |
| The United States of America as represented by the Secretary of the Army | 1261 |
4 |
| Korea Institute of Science and Technology | 2253 |
4 |
| Dalian University of Technology | 1601 |
4 |
| FUJIFILM Corporation | 30628 |
3 |
| China Petroleum & Chemical Corporation | 2169 |
3 |
| Council of Scientific and Industrial Research | 595 |
3 |
| Whitefox Technologies Limited | 36 |
3 |
| Blue World Technologies Holding ApS | 49 |
3 |
| Other owners | 93 |