- All sections
- C - Chemistry; metallurgy
- C09B - Organic dyes or closely-related compounds for producing dyes; mordants; lakes
- C09B 62/835 - Metal complex azo dyes
Patent holdings for IPC class C09B 62/835
Total number of patents in this class: 4
10-year publication summary
1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Merck Patent GmbH | 5909 |
1 |
e Ink Corporation | 1411 |
1 |
Huntsman International LLC | 708 |
1 |
Videojet Technologies Inc. | 346 |
1 |
Other owners | 0 |