- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 11/18 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
Patent holdings for IPC class C08J 11/18
Total number of patents in this class: 166
10-year publication summary
|
10
|
7
|
10
|
13
|
9
|
10
|
16
|
10
|
34
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| revalyu Resources GmbH | 16 |
8 |
| Hitachi Chemical Company, Ltd. | 2455 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
| LG Chem, Ltd. | 17205 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
4 |
| Carbios | 117 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Bridgestone Corporation | 7067 |
3 |
| Evrnu, SPC | 16 |
3 |
| Korea Research Institute of Chemical Technology | 1266 |
3 |
| Tohoku University | 2526 |
3 |
| Toyo Seikan Group Holdings, Ltd. | 765 |
3 |
| Universite du Maine | 58 |
3 |
| UPM-Kymmene Corporation | 868 |
3 |
| Composite Tech Holdings Limited | 3 |
3 |
| Evonik Operations GmbH | 3879 |
3 |
| BASF SE | 19740 |
2 |
| Coors Brewing Company | 299 |
2 |
| Hutchinson | 455 |
2 |
| New Rubber Technologies Holdings, Inc. | 14 |
2 |
| Other owners | 97 |