- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 31/00 - Disazo or polyazo dyes of the type A → B → C, A → B → C → D, or the like, prepared by diazotising and coupling
Patent holdings for IPC class C09B 31/00
Total number of patents in this class: 8
10-year publication summary
1
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1
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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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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
|
---|---|---|
Gateway Health Alliances, Inc. | 32 |
3 |
Merck Patent GmbH | 5909 |
1 |
FUJIFILM Corporation | 27102 |
1 |
Cambridge Enterprise Limited | 1096 |
1 |
DyStar Colours Distribution GmbH | 172 |
1 |
Thomas Jefferson University | 502 |
1 |
Other owners | 0 |