- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 11/20 - 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 hydrocarbons or halogenated hydrocarbons
Patent holdings for IPC class C08J 11/20
Total number of patents in this class: 58
10-year publication summary
|
3
|
4
|
2
|
5
|
3
|
4
|
3
|
8
|
15
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3914 |
6 |
| Taclov, LLC | 12 |
4 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1277 |
2 |
| Instituto de Pesquisas Tecnologicas do Estado de Sao Paulo S.A.-IPT | 37 |
2 |
| Oxford University Innovation Limited | 1498 |
2 |
| Rubreco Inc. | 11 |
2 |
| Loop Industries, Inc. | 6 |
2 |
| Centre National de La Recherche Scientifique | 10284 |
1 |
| Bridgestone Corporation | 7204 |
1 |
| Daikin Industries, Ltd. | 9944 |
1 |
| ExxonMobil Chemical Patents Inc. | 4036 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4876 |
1 |
| The Board of Trustees of the University of Illinois | 2693 |
1 |
| Korea Institute of Science and Technology | 2110 |
1 |
| Ahd Vagyonkezelo ES Tanacsado Kft. | 2 |
1 |
| Aramco Services Company | 3897 |
1 |
| Arlanxeo Deutschland GmbH | 273 |
1 |
| Basell Poliolefine Italia S.r.l. | 891 |
1 |
| Borealis AG | 2774 |
1 |
| Eastman Chemical Company | 2244 |
1 |
| Other owners | 25 |