- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 30/20 - Colour, e.g. dyes
Patent holdings for IPC class C10N 30/20
Total number of patents in this class: 53
10-year publication summary
|
0
|
4
|
1
|
5
|
4
|
5
|
4
|
5
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shell Internationale Research Maatschappij B.V. | 3546 |
3 |
| Shell Oil Company | 2138 |
3 |
| The Lubrizol Corporation | 1290 |
3 |
| SICPA Holding SA | 916 |
2 |
| SK Innovation Co., Ltd. | 1356 |
2 |
| VGP Ipco, LLC | 195 |
2 |
| SK Enmove Co., Ltd. | 56 |
2 |
| Tribodyn, Inc. | 2 |
2 |
| ExxonMobil Research And Engineering Company | 2566 |
1 |
| Sumitomo Electric Industries, Ltd. | 15557 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 5634 |
1 |
| Sumitomo Wiring Systems, Ltd. | 10405 |
1 |
| ExxonMobil Chemical Patents Inc. | 3977 |
1 |
| Idemitsu Kosan Co., Ltd. | 4228 |
1 |
| Kaneka Corporation | 4549 |
1 |
| Afton Chemical Corporation | 484 |
1 |
| Altria Client Services LLC | 2206 |
1 |
| AutoNetworks Technologies, Ltd. | 6623 |
1 |
| Castrol Limited | 520 |
1 |
| China Petroleum & Chemical Corporation | 1905 |
1 |
| Other owners | 22 |