- All sections
- C - Chemistry; metallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 8/28 - Condensation with aldehydes or ketones
Patent holdings for IPC class C08F 8/28
Total number of patents in this class: 215
10-year publication summary
|
16
|
11
|
33
|
14
|
17
|
10
|
8
|
9
|
20
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3392 |
35 |
| Sekisui Chemical Co., Ltd. | 3159 |
33 |
| Kemira Oyj | 1167 |
10 |
| Kuraray Europe GmbH | 205 |
8 |
| Solutia Inc. | 410 |
8 |
| Wacker Polymer Systems GmbH & Co. KG | 30 |
7 |
| Japan VAM & Poval Co., Ltd. | 70 |
6 |
| Ecolab USA Inc. | 5190 |
5 |
| S.p.c.m. SA | 308 |
5 |
| Solenis Technologies Cayman, L.P. | 81 |
5 |
| Nitto Denko Corporation | 7879 |
4 |
| BASF SE | 19740 |
3 |
| Dow Global Technologies LLC | 10147 |
3 |
| Applied Chemicals Handels-GmbH | 22 |
3 |
| Buckman Laboratories International, Inc. | 244 |
3 |
| Eastman Chemical Company | 2239 |
3 |
| Ecole Superieure de Physique et de Chimie Industrielles de La Ville de Paris | 292 |
3 |
| Solenis Technologies, L.P. | 306 |
3 |
| SNF Group | 251 |
3 |
| Massachusetts Institute of Technology | 9795 |
2 |
| Other owners | 63 |