- All sections
- C - Chemistry; metallurgy
- C08C - Treatment or chemical modification of rubbers
- C08C 19/02 - Hydrogenation
Patent holdings for IPC class C08C 19/02
Total number of patents in this class: 262
10-year publication summary
|
26
|
23
|
15
|
22
|
20
|
22
|
17
|
17
|
15
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arlanxeo Deutschland GmbH | 302 |
48 |
| Zeon Corporation | 3854 |
41 |
| Lanxess Deutschland GmbH | 1104 |
21 |
| Kuraray Co., Ltd. | 3392 |
18 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
| Asahi Kasei Chemicals Corporation | 809 |
8 |
| University of Waterloo | 143 |
8 |
| JSR Corporation | 2476 |
7 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
6 |
| TSRC Corporation | 39 |
5 |
| Eneos Materials Corporation | 141 |
5 |
| ExxonMobil Research And Engineering Company | 2830 |
4 |
| FINA Technology, Inc. | 571 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| Bridgestone Corporation | 7067 |
3 |
| Amyris, Inc. | 368 |
3 |
| ENI S.p.A. | 1241 |
3 |
| Nippon Soda Co., Ltd. | 890 |
3 |
| Versalis S.P.A. | 511 |
3 |
| ExxonMobil Chemical Patents Inc. | 4286 |
2 |
| Other owners | 54 |