- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 9/20 - Making expandable particles by suspension polymerisation in the presence of the blowing agent
Patent holdings for IPC class C08J 9/20
Total number of patents in this class: 173
10-year publication summary
|
21
|
17
|
17
|
8
|
13
|
14
|
9
|
8
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
13 |
| Matsumoto Yushi-Seiyaku Co., Ltd. | 166 |
12 |
| Arkema France | 3790 |
8 |
| Life Technologies AS | 78 |
7 |
| Kaneka Corporation | 4445 |
7 |
| Kureha Corporation | 1026 |
7 |
| Rohm and Haas Company | 2805 |
6 |
| Life Technologies Corporation | 3068 |
6 |
| Nouryon Chemicals International B.V. | 508 |
6 |
| JSR Corporation | 2476 |
5 |
| Synthos S.A. | 45 |
5 |
| Evonik Röhm GmbH | 452 |
4 |
| Dow Global Technologies LLC | 10147 |
4 |
| Sekisui Plastics Co., Ltd. | 345 |
4 |
| Sekisui Chemical Co., Ltd. | 3159 |
3 |
| BeWi StyroChem Oy | 6 |
3 |
| Synthos Dwory 7 spółka z ograniczoną odpowiedzialnoscią S.K.A. | 3 |
3 |
| Ricoh Company, Ltd. | 13266 |
2 |
| Dow Global Technologies Inc. | 1055 |
2 |
| Saudi Basic Industries Corporation | 625 |
2 |
| Other owners | 64 |