Fluorogenic amino acids
US-2023028318-A1 · Jan 26, 2023 · US
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Monoazomethine dyes
Monoazomethine dyes · 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 | C09B55/002 |
| Official title | {Monoazomethine dyes} |
| Display label | Monoazomethine dyes |
| 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 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Symmetric azomethine direct dyes, process for their preparation, cosmetic composition comprising at least one such dye and use thereof
US-11504318-B2 · Nov 22, 2022 · US
Unsymmetrical squaraine dyes and apllications thereof
US-2022227999-A1 · Jul 21, 2022 · US
Reversible imine uv-absorbers
US-2022098146-A1 · Mar 31, 2022 · US
Symmetric azomethine direct dyes, process for their preparation, cosmetic composition comprising at least one such dye and use thereof
US-2022016009-A1 · Jan 20, 2022 · US
Compound, core-shell dye, photosensitive resin composition including the same, and color filter
US-11041073-B2 · Jun 22, 2021 · US
Sphinogosine-1 -phosphate receptor modulators for treatment of cardiopulmonary disorders
US-11034691-B2 · Jun 15, 2021 · US
Dissymmetric azomethine direct dyes and process for their preparation, cosmetic composition comprising at least one such dye and use thereof
US-10927259-B2 · Feb 23, 2021 · US
Dissymmetric azomethine direct dyes and process for their preparation, cosmetic composition comprising at least one such dye and use thereof
US-2020190329-A1 · Jun 18, 2020 · US
Sphinogosine-1-phosphate receptor modulators for treatment of cardiopulmonary disorders
US-2019300527-A1 · Oct 3, 2019 · US
Novel compound, core-shell dye, photosensitive resin composition including the same, and color filter
US-2019256713-A1 · Aug 22, 2019 · US
Leuco polymers as bluing agents in laundry care compositions
US-10351709-B2 · Jul 16, 2019 · US
Sphinogosine-1-phosphate receptor modulators for treatment of cardiopulmonary disorders
US-10323029-B2 · Jun 18, 2019 · US
Method for forming patterned cured film, photosensitive composition, dry film, and method for producing plated shaped article
US-2018259850-A1 · Sep 13, 2018 · US
Near infrared absorbing curable composition, cured film, solid image pickup element, infrared absorber, and compound
US-2018163022-A1 · Jun 14, 2018 · US
Leuco polymers as bluing agents in laundry care compositions
US-2018118946-A1 · May 3, 2018 · US
Sphinogosine-1-phosphate receptor modulators for treatment of cardiopulmonary disorders
US-2017217963-A1 · Aug 3, 2017 · US
Photosensitive resin composition, cured product and method for producing same, method for producing resin pattern, cured film, liquid crystal display device, organic el display device, infrared cut filter, and solid-state imaging device
US-9599901-B2 · Mar 21, 2017 · US
Photosensitive resin composition, cured product and method for producing same, method for producing resin pattern, cured film, liquid crystal display device, organic el display device, infrared cut filter, and solid-state imaging device
US-2016327865-A1 · Nov 10, 2016 · US
Colored composition and image display structure
US-9075281-B2 · Jul 7, 2015 · US