- All sections
- C - Chemistrymetallurgy
- 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: 259
10-year publication summary
|
15
|
14
|
19
|
25
|
15
|
25
|
14
|
12
|
20
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui Chemicals, Inc. | 3206 |
18 |
| BASF SE | 20803 |
17 |
| Nippon Paper Industries Co., Ltd. | 826 |
14 |
| Zeon Corporation | 4075 |
13 |
| Kuraray Co., Ltd. | 3491 |
9 |
| The Lubrizol Corporation | 1283 |
9 |
| ExxonMobil Chemical Patents Inc. | 4021 |
8 |
| Sumitomo Chemical Company, Limited | 9018 |
6 |
| Idemitsu Kosan Co., Ltd. | 4166 |
6 |
| LG Chem, Ltd. | 17564 |
5 |
| ExxonMobil Research And Engineering Company | 2590 |
5 |
| MCPP Innovation LLC | 98 |
5 |
| SABIC Global Technologies B.V. | 4302 |
4 |
| Toyobo Co., Ltd. | 2478 |
4 |
| National University Corporation Tokai National Higher Education and Research System | 704 |
4 |
| Afton Chemical Corporation | 481 |
3 |
| ENI S.p.A. | 1257 |
3 |
| National University Corporation Nagoya University | 862 |
3 |
| Stepan Company | 568 |
3 |
| Universite Claude Bernard Lyon 1 (ucbl) | 54 |
3 |
| Other owners | 117 |