- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 8/46 - Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation
Patent holdings for IPC class C08F 8/46
Total number of patents in this class: 229
10-year publication summary
|
10
|
15
|
14
|
19
|
25
|
15
|
24
|
13
|
10
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui Chemicals, Inc. | 3134 |
16 |
| BASF SE | 19740 |
15 |
| Nippon Paper Industries Co., Ltd. | 782 |
13 |
| Zeon Corporation | 3854 |
13 |
| The Lubrizol Corporation | 1335 |
9 |
| ExxonMobil Chemical Patents Inc. | 4286 |
8 |
| Kuraray Co., Ltd. | 3392 |
8 |
| Sumitomo Chemical Company, Limited | 8808 |
6 |
| Idemitsu Kosan Co., Ltd. | 3995 |
6 |
| LG Chem, Ltd. | 17205 |
5 |
| ExxonMobil Research And Engineering Company | 2830 |
5 |
| MCPP Innovation LLC | 88 |
5 |
| SABIC Global Technologies B.V. | 4044 |
4 |
| Stepan Company | 567 |
4 |
| Toyobo Co., Ltd. | 2286 |
4 |
| National University Corporation Tokai National Higher Education and Research System | 543 |
4 |
| Afton Chemical Corporation | 468 |
3 |
| ENI S.p.A. | 1241 |
3 |
| National University Corporation Nagoya University | 921 |
3 |
| Nippon Paper Chemicals Co., Ltd. | 15 |
3 |
| Other owners | 92 |