- All sections
- C - Chemistry; metallurgy
- 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: 39
10-year publication summary
1
|
0
|
4
|
1
|
5
|
4
|
5
|
3
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
Shell Oil Company | 2196 |
3 |
The Lubrizol Corporation | 1335 |
2 |
ExxonMobil Research And Engineering Company | 2830 |
1 |
Sumitomo Electric Industries, Ltd. | 14131 |
1 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
1 |
Sumitomo Wiring Systems, Ltd. | 9367 |
1 |
ExxonMobil Chemical Patents Inc. | 4286 |
1 |
Idemitsu Kosan Co., Ltd. | 3995 |
1 |
Kaneka Corporation | 4445 |
1 |
Afton Chemical Corporation | 468 |
1 |
Altria Client Services LLC | 1866 |
1 |
AutoNetworks Technologies, Ltd. | 5809 |
1 |
Castrol Limited | 520 |
1 |
China Petroleum & Chemical Corporation | 1623 |
1 |
Kraton Polymers U.S. LLC | 204 |
1 |
Kyushu University, National University Corporation | 1572 |
1 |
Materials Engineering and Technical Support Services Corp. | 9 |
1 |
Nippon Thompson Co., Ltd. | 192 |
1 |
Research Institute of Petroleum Processing, Sinopec | 387 |
1 |
Other owners | 14 |