- All sections
- C - Chemistrymetallurgy
- 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: 903
10-year publication summary
|
68
|
75
|
76
|
69
|
84
|
70
|
70
|
63
|
57
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29251 |
42 |
| BASF SE | 20803 |
32 |
| 3m Innovative Properties Company | 17855 |
29 |
| LG Chem, Ltd. | 17564 |
22 |
| Carbon, Inc. | 393 |
21 |
| Nissan Chemical Corporation | 1982 |
15 |
| DIC Corporation | 3759 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5602 |
12 |
| Daikin Industries, Ltd. | 9971 |
11 |
| Rohm and Haas Company | 2910 |
11 |
| S.p.c.m. SA | 249 |
11 |
| JSR Corporation | 2507 |
10 |
| Henkel AG & Co. KGaA | 10482 |
9 |
| China Petroleum & Chemical Corporation | 1874 |
9 |
| Beijing Junlun Runzhong Science & Technology Co., Limited | 13 |
8 |
| University of Massachusetts | 2222 |
8 |
| Dow Global Technologies LLC | 10384 |
6 |
| Arkema France | 4015 |
6 |
| Denka Company Limited | 2536 |
6 |
| JSR Life Sciences Corporation | 61 |
6 |
| Other owners | 616 |