- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 35/031 - Disazo dyes characterised by two coupling components of the same type in which the coupling component is a heterocyclic compound containing a six-membered ring with one nitrogen atom as the only ring hetero atom
Patent holdings for IPC class C09B 35/031
Total number of patents in this class: 14
10-year publication summary
3
|
2
|
0
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0
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0
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0
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0
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0
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Clariant Finance (BVI) Limited | 427 |
6 |
Clariant International Ltd. | 978 |
5 |
DyStar Colours Distribution GmbH | 172 |
2 |
Archroma IP GmbH | 460 |
1 |
Other owners | 0 |