- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 11/26 - 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 carboxylic acid groups, their anhydrides or esters
Patent holdings for IPC class C08J 11/26
Total number of patents in this class: 194
10-year publication summary
|
7
|
4
|
4
|
15
|
16
|
17
|
21
|
22
|
33
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evonik Operations GmbH | 4154 |
6 |
| Nan Ya Plastics Corporation | 436 |
5 |
| 9449710 Canada Inc. | 21 |
5 |
| H & S Anlagentechnik GmbH | 9 |
5 |
| Bridgestone Corporation | 7228 |
4 |
| Dow Global Technologies LLC | 10402 |
4 |
| Unicharm Corporation | 2881 |
4 |
| Aditya Birla Chemicals (USA), Inc. | 20 |
4 |
| Circ, Inc. | 36 |
4 |
| BASF SE | 20979 |
3 |
| Centre National de La Recherche Scientifique | 10516 |
3 |
| The University of North Carolina at Chapel Hill | 2052 |
3 |
| Vestas Wind Systems A/S | 3688 |
3 |
| Aditya Birla Chemicals (Thailand) Ltd. (epoxy Division) | 7 |
3 |
| The Regents of the University of California | 20059 |
2 |
| The Boeing Company | 20117 |
2 |
| Agency for Science, Technology and Research | 3639 |
2 |
| Aditya Birla Chemicals (Thailand) Ltd. | 27 |
2 |
| Carl Zeiss Vision International GmbH | 636 |
2 |
| Council of Scientific & Industrial Research | 1436 |
2 |
| Other owners | 126 |