Protecting group chemistry for clean, reductant-free dyeing
US-12098405-B2 · Sep 24, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C09B7/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dye for fiber and dyeing method
US-11345818-B1 · May 31, 2022 · US
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
Colonic irrigation composition
US-11147824-B1 · Oct 19, 2021 · US
Genetically modified microorganism and method for producing indigo dye
US-10975243-B2 · Apr 13, 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
Genetically modified microorganism and method for producing indigo dye
US-2020207988-A1 · Jul 2, 2020 · US
Color material dispersion liquid for color filter, color resin composition for color filter, color material, color filter, liquid crystal display device, and light-emitting display device
US-10519313-B2 · Dec 31, 2019 · US
Organogel based on molecules derived from 7,7'-diazaisoindigo
US-2019233410-A1 · Aug 1, 2019 · US
Use of indigo derivatives for dyeing synthetic textiles, novel indigo derivatives and process for dyeing synthetic textiles
US-10246590-B2 · Apr 2, 2019 · US
Protecting group chemistry for clean, reductant-free dyeing
US-2018037917-A1 · Feb 8, 2018 · US
Use of indigo derivatives for dyeing synthetic textiles, novel indigo derivatives and process for dyeing synthetic textiles
US-2017362435-A1 · Dec 21, 2017 · US
Color material dispersion liquid for color filter, color resin composition for color filter, color material, color filter, liquid crystal display device, and light-emitting display device
US-2017342271-A1 · Nov 30, 2017 · US
Non-linear dielectric materials and capacitor
US-2017283618-A1 · Oct 5, 2017 · US
Bay-annulated indigo (BAI) as an excellent electron accepting building block for high performance organic semiconductors
US-9315671-B2 · Apr 19, 2016 · US
Bay-Annulated Indigo (BAI) As An Excellent Electron Accepting Building Block for High Performance Organic Semiconductors
US-2016075878-A1 · Mar 17, 2016 · US
Bay-annulated indigo (BAI) as an excellent electron accepting building block for high performance organic semiconductors
US-9196846-B2 · Nov 24, 2015 · US
Bay-Annulated Indigo (BAI) As An Excellent Electron Accepting Building Block for High Performance Organic Semiconductors
US-2015303382-A1 · Oct 22, 2015 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B7/02?
- CPC C09B7/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C09B7/02 (Chemistry & Metallurgy)?
- Our database includes 20 publications tagged with this CPC code.
- Is patent activity under CPC C09B7/02 growing?
- Publication counts under this code: 2 in 2022 vs 1 in 2024 (latest complete years).