- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 11/24 - 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 by treatment with organic oxygen-containing compounds containing hydroxyl groups
Patent holdings for IPC class C08J 11/24
Total number of patents in this class: 485
10-year publication summary
|
16
|
26
|
28
|
24
|
26
|
27
|
70
|
69
|
103
|
38
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2239 |
41 |
| Resinate Materials Group, Inc. | 45 |
26 |
| IFP Energies Nouvelles | 2717 |
25 |
| Ioniqa Technologies B.V. | 40 |
21 |
| LG Chem, Ltd. | 17205 |
20 |
| 9449710 Canada Inc. | 18 |
17 |
| Covestro Deutschland AG | 2429 |
12 |
| SABIC Global Technologies B.V. | 4044 |
8 |
| Jeplan, Inc. | 27 |
8 |
| General Electric Company | 18133 |
7 |
| Saudi Basic Industries Corporation | 625 |
7 |
| Poseidon Plastics Limited | 16 |
7 |
| IKEA Supply AG | 272 |
6 |
| Evonik Operations GmbH | 3879 |
6 |
| SHPP Global Technologies B.V. | 1045 |
6 |
| Sabic Innovative Plastics IP B.V. | 683 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Garbo S.r.l. | 11 |
5 |
| Korea Research Institute of Chemical Technology | 1266 |
5 |
| Nan Ya Plastics Corporation | 308 |
5 |
| Other owners | 243 |