- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 11/28 - 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 compounds containing nitrogen, sulfur or phosphorus
Patent holdings for IPC class C08J 11/28
Total number of patents in this class: 218
10-year publication summary
10
|
11
|
8
|
14
|
16
|
12
|
12
|
33
|
43
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ioniqa Technologies B.V. | 40 |
10 |
Evonik Operations GmbH | 3879 |
10 |
International Business Machines Corporation | 60644 |
7 |
BASF SE | 19740 |
6 |
The Boeing Company | 19843 |
6 |
Mitsubishi Chemical Corporation | 4313 |
5 |
The Regents of the University of California | 18943 |
4 |
Continental Reifen Deutschland GmbH | 2324 |
4 |
Lehigh Technologies, Inc. | 30 |
4 |
National Technology & Engineering Solutions of Sandia, LLC | 1851 |
4 |
LG Chem, Ltd. | 17205 |
3 |
Mitsui Chemicals, Inc. | 3134 |
3 |
Green Products & Technologies, L.L.C. | 37 |
3 |
Nan Ya Plastics Corporation | 308 |
3 |
The University of North Carolina at Chapel Hill | 1928 |
3 |
Adesso Advanced Materials Wuxi Co. Ltd. | 10 |
3 |
Recyc'elit | 4 |
3 |
Centre National de La Recherche Scientifique | 9632 |
2 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
2 |
Aarhus Universitet | 370 |
2 |
Other owners | 131 |