- 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: 55
10-year publication summary
|
0
|
4
|
1
|
5
|
4
|
5
|
4
|
5
|
4
|
6
|
| 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. | 3544 |
3 |
| Shell Oil Company | 2135 |
3 |
| The Lubrizol Corporation | 1282 |
3 |
| SICPA Holding SA | 923 |
2 |
| SK Innovation Co., Ltd. | 1374 |
2 |
| VGP Ipco, LLC | 194 |
2 |
| SK Enmove Co., Ltd. | 59 |
2 |
| Tribodyn, Inc. | 2 |
2 |
| ExxonMobil Research And Engineering Company | 2547 |
1 |
| Sumitomo Electric Industries, Ltd. | 15705 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 5679 |
1 |
| Sumitomo Wiring Systems, Ltd. | 10527 |
1 |
| ExxonMobil Chemical Patents Inc. | 3958 |
1 |
| Idemitsu Kosan Co., Ltd. | 4239 |
1 |
| Kaneka Corporation | 4600 |
1 |
| Afton Chemical Corporation | 488 |
1 |
| Altria Client Services LLC | 2258 |
1 |
| AutoNetworks Technologies, Ltd. | 6714 |
1 |
| Cargill, Incorporated | 2926 |
1 |
| Castrol Limited | 520 |
1 |
| Other owners | 24 |