- 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: 899
10-year publication summary
|
68
|
75
|
76
|
69
|
84
|
69
|
70
|
63
|
57
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29208 |
41 |
| BASF SE | 20758 |
32 |
| 3m Innovative Properties Company | 17842 |
29 |
| LG Chem, Ltd. | 17549 |
21 |
| Carbon, Inc. | 393 |
21 |
| Nissan Chemical Corporation | 1967 |
15 |
| DIC Corporation | 3748 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5587 |
12 |
| Daikin Industries, Ltd. | 9951 |
11 |
| S.p.c.m. SA | 249 |
11 |
| Rohm and Haas Company | 2901 |
10 |
| JSR Corporation | 2507 |
10 |
| Henkel AG & Co. KGaA | 10442 |
9 |
| China Petroleum & Chemical Corporation | 1867 |
9 |
| Beijing Junlun Runzhong Science & Technology Co., Limited | 13 |
8 |
| University of Massachusetts | 2218 |
8 |
| Arkema France | 3988 |
6 |
| Denka Company Limited | 2531 |
6 |
| JSR Life Sciences Corporation | 61 |
6 |
| Nissan Chemical Industries, Ltd. | 1729 |
6 |
| Other owners | 615 |