- All sections
- C - Chemistry; metallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 2/04 - Removal of catalyst residues
Patent holdings for IPC class C08C 2/04
Total number of patents in this class: 28
10-year publication summary
|
9
|
2
|
5
|
0
|
3
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arlanxeo Deutschland GmbH | 302 |
3 |
| Zeon Corporation | 3854 |
3 |
| Bridgestone Corporation | 7067 |
2 |
| Asahi Kasei Chemicals Corporation | 809 |
2 |
| Budev B.V. | 7 |
2 |
| Universite de Caen-basse Normandie | 40 |
2 |
| Universite du Maine | 58 |
2 |
| Zeon Chemicals L.P. | 27 |
2 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
1 |
| California Institute of Technology | 3884 |
1 |
| ExxonMobil Chemical Patents Inc. | 4286 |
1 |
| Firestone Polymers, LLC | 31 |
1 |
| Lanxess Deutschland GmbH | 1104 |
1 |
| Saga University | 151 |
1 |
| Universidad De Burgos | 25 |
1 |
| Versalis S.P.A. | 511 |
1 |
| Centre National de La Recherche Scientifique (cnrs) | 3191 |
1 |
| Other owners | 0 |