- All sections
- C - Chemistrymetallurgy
- 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: 279
10-year publication summary
|
15
|
21
|
20
|
21
|
17
|
18
|
15
|
11
|
19
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arlanxeo Deutschland GmbH | 274 |
44 |
| Zeon Corporation | 4126 |
44 |
| Lanxess Deutschland GmbH | 1144 |
19 |
| Kuraray Co., Ltd. | 3567 |
18 |
| Asahi Kasei Kabushiki Kaisha | 2758 |
16 |
| Bridgestone Corporation | 7242 |
9 |
| Asahi Kasei Chemicals Corporation | 584 |
8 |
| JSR Corporation | 2559 |
7 |
| University of Waterloo | 143 |
7 |
| Eneos Materials Corporation | 278 |
7 |
| Sumitomo Rubber Industries, Ltd. | 4712 |
6 |
| ExxonMobil Research And Engineering Company | 2488 |
4 |
| FINA Technology, Inc. | 501 |
4 |
| TSRC Corporation | 44 |
4 |
| LG Chem, Ltd. | 17786 |
3 |
| Centre National de La Recherche Scientifique | 10855 |
3 |
| Amyris, Inc. | 371 |
3 |
| ENI S.p.A. | 1304 |
3 |
| Nippon Soda Co., Ltd. | 889 |
3 |
| Versalis S.P.A. | 537 |
3 |
| Other owners | 64 |