- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-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: 248
10-year publication summary
|
10
|
13
|
9
|
10
|
16
|
10
|
36
|
40
|
36
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| revalyu Resources GmbH | 30 |
10 |
| Evonik Operations GmbH | 4262 |
7 |
| BASF SE | 21151 |
6 |
| LG Chem, Ltd. | 17867 |
6 |
| Hitachi Chemical Company, Ltd. | 2263 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
6 |
| Bridgestone Corporation | 7233 |
5 |
| Carbios | 128 |
5 |
| Korea Research Institute of Chemical Technology | 1451 |
5 |
| SixRing Inc. | 179 |
5 |
| Centre National de La Recherche Scientifique | 10895 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11020 |
4 |
| Northwestern University | 3521 |
4 |
| Eastman Chemical Company | 2082 |
3 |
| Evrnu, SPC | 15 |
3 |
| Tohoku University | 2921 |
3 |
| Toyo Seikan Group Holdings, Ltd. | 849 |
3 |
| Universite du Maine | 51 |
3 |
| UPM-Kymmene Corporation | 980 |
3 |
| Battelle Memorial Institute | 2596 |
2 |
| Other owners | 155 |