Composition for wet indicator
US-12575977-B2 · Mar 17, 2026 · US
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Preparations of vat, sulfur or indigo dyes in liquid form
Preparations of vat, sulfur or indigo dyes in liquid form · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09B67/0078 |
| Official title | {Preparations of vat, sulfur or indigo dyes in liquid form} |
| Display label | Preparations of vat, sulfur or indigo dyes in liquid form |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photocleavage of indican
US-2026062863-A1 · Mar 5, 2026 · US
Process for dyeing textiles
US-2026022515-A2 · Jan 22, 2026 · US
Process for dyeing textiles and enzymes used therein
US-2025333903-A1 · Oct 30, 2025 · US
Process for dyeing textiles and enzymes used therein
US-12398509-B2 · Aug 26, 2025 · US
Process and apparatus for dyeing textiles
US-12247350-B2 · Mar 11, 2025 · US
Process for dyeing textiles
US-2024368831-A1 · Nov 7, 2024 · US
Process for dyeing textiles and enzymes used therein
US-2024240390-A1 · Jul 18, 2024 · US
Process for dyeing textiles and enzymes used therein
US-11920290-B2 · Mar 5, 2024 · US
Malachite green based radio-chromic compounds and radiation sensing systems incorporating the compounds
US-11920039-B2 · Mar 5, 2024 · US
Composition for wet indicator
US-2023165731-A1 · Jun 1, 2023 · US
Process for dyeing textiles
US-2022267948-A1 · Aug 25, 2022 · US
Dye for fiber and dyeing method
US-11345818-B1 · May 31, 2022 · US
Reactive leuco compounds and compositions comprising the same
US-11299634-B2 · Apr 12, 2022 · US
Process and apparatus for dyeing textiles
US-2021262162-A1 · Aug 26, 2021 · US
Process for dyeing textiles and enzymes used therein
US-2021214888-A1 · Jul 15, 2021 · US
Leuco polymers as bluing agents in laundry care compositions
US-10920083-B2 · Feb 16, 2021 · US
Leuco colorants as bluing agents in laundry care compositions
US-10851329-B2 · Dec 1, 2020 · US
Malachite Green Based Radio-Chromic Compounds and Radiation Sensing Systems Incorporating the Compounds
US-2020239692-A1 · Jul 30, 2020 · US
Leuco colorants as bluing agents in laundry care compositions
US-2018148672-A1 · May 31, 2018 · US