- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-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: 125
10-year publication summary
|
2
|
9
|
5
|
4
|
15
|
18
|
15
|
22
|
20
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| H & S Anlagentechnik GmbH | 8 |
5 |
| Bridgestone Corporation | 7067 |
4 |
| Nan Ya Plastics Corporation | 308 |
4 |
| Unicharm Corporation | 2744 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Aditya Birla Chemicals (USA), Inc. | 14 |
4 |
| Circ, Inc. | 36 |
4 |
| The University of North Carolina at Chapel Hill | 1928 |
3 |
| 9449710 Canada Inc. | 18 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| The Boeing Company | 19843 |
2 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Council of Scientific & Industrial Research | 1397 |
2 |
| Lanxess Corporation | 172 |
2 |
| Nihon Plast Co., Ltd. | 105 |
2 |
| Obihiro University of Agriculture and Veterinary Medicine | 17 |
2 |
| Rhodia Operations | 1645 |
2 |
| Clariant Plastics & Coatings Ltd | 85 |
2 |
| Loop Industries, Inc. | 8 |
2 |
| Novoloop, Inc. | 11 |
2 |
| Other owners | 68 |