- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 220/34 - Esters containing nitrogen
Patent holdings for IPC class C08F 220/34
Total number of patents in this class: 869
10-year publication summary
|
67
|
75
|
76
|
69
|
84
|
69
|
70
|
62
|
57
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 28555 |
40 |
| BASF SE | 20403 |
31 |
| 3m Innovative Properties Company | 17951 |
29 |
| LG Chem, Ltd. | 17637 |
20 |
| Carbon, Inc. | 386 |
20 |
| Nissan Chemical Corporation | 1882 |
15 |
| DIC Corporation | 3663 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5444 |
11 |
| Daikin Industries, Ltd. | 9836 |
11 |
| S.p.c.m. SA | 288 |
11 |
| JSR Corporation | 2476 |
10 |
| Rohm and Haas Company | 2850 |
9 |
| Henkel AG & Co. KGaA | 10343 |
9 |
| Beijing Junlun Runzhong Science & Technology Co., Limited | 13 |
8 |
| China Petroleum & Chemical Corporation | 1780 |
7 |
| University of Massachusetts | 2191 |
7 |
| Arkema France | 3889 |
6 |
| Denka Company Limited | 2458 |
6 |
| JSR Life Sciences Corporation | 61 |
6 |
| Nissan Chemical Industries, Ltd. | 1759 |
6 |
| Other owners | 594 |