Protecting group chemistry for clean, reductant-free dyeing
US-12098405-B2 · Sep 24, 2024 · US
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Halogenation thereof
Halogenation thereof · 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 | C09B7/04 |
| Official title | Halogenation thereof |
| Display label | Halogenation thereof |
| Total patents | 8 |
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 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Protecting group chemistry for clean, reductant-free dyeing
US-2022136024-A1 · May 5, 2022 · US
Protecting group chemistry for clean, reductant-free dyeing
US-11203774-B2 · Dec 21, 2021 · US
Protecting group chemistry for clean, reductant-free dyeing
US-2020325516-A1 · Oct 15, 2020 · US
Protecting group chemistry for clean, reductant-free dyeing
US-10704070-B2 · Jul 7, 2020 · US
Indigo-derivatives as irreversible color changeable dyes for textile materials and process for dyeing textile materials
US-10246820-B2 · Apr 2, 2019 · US
Protecting group chemistry for clean, reductant-free dyeing
US-2018037917-A1 · Feb 8, 2018 · US
Indigo-derivatives as irreversible color changeable dyes for textile materials and process for dyeing textile materials
US-2017362771-A1 · Dec 21, 2017 · US