Cyanine dyes
US-10392659-B2 · Aug 27, 2019 · US
containing one nitrogen atom
containing one nitrogen atom · 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 | C09B23/164 |
| Official title | {containing one nitrogen atom} |
| Display label | containing one nitrogen atom |
| Total patents | 75 |
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 | 11 |
| 2016 | 11 |
| 2017 | 19 |
| 2018 | 13 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pharmaceutical Compositions of Near IR Closed Chain, Sulfo-Cyanine Dyes
US-2019254528-A1 · Aug 22, 2019 · US
Near infrared absorbing fluorescent compositions
US-10377901-B2 · Aug 13, 2019 · US
Color developing composition, lithographic printing plate precursor, plate making method for lithographic printing plate, and color developer
US-10241400-B2 · Mar 26, 2019 · US
Polyfunctional polymerizable compound and colored composition
US-2019062561-A1 · Feb 28, 2019 · US
Dye sensitized photoelectric conversion device
US-10170250-B2 · Jan 1, 2019 · US
Protective sheet, image display device, spectacle lens, and spectacles
US-2018371255-A1 · Dec 27, 2018 · US
Coloring composition, light absorption anisotropic film, laminate, and image display device
US-2018346633-A1 · Dec 6, 2018 · US
Application of reduced dyes in imaging
US-10100198-B2 · Oct 16, 2018 · US
Composition comprising graphite oxide and an infrared absorbing compound
US-2018215621-A1 · Aug 2, 2018 · US
Dye sensitized photoelectric conversion device
US-2018204685-A1 · Jul 19, 2018 · US
Solar cells with enhanced solar capture
US-10014121-B2 · Jul 3, 2018 · US
Methine-substituted cyanine dye compounds
US-10005908-B2 · Jun 26, 2018 · US
Thermal transfer recording sheet
US-2018170085-A1 · Jun 21, 2018 · US
Acid perspiration resistant fluorescent compounds for treating hair
US-9943472-B2 · Apr 17, 2018 · US
Photoelectric conversion element, and solar cell using the same
US-2018102222-A1 · Apr 12, 2018 · US
Functionalized cyanine dyes (PEG)
US-9920365-B2 · Mar 20, 2018 · US
Coloring composition, film, color filter, pattern forming method, method for manufacturing color filter, solid image pickup element, and infrared sensor
US-2018057690-A1 · Mar 1, 2018 · US
Infrared cut filter, kit, and solid-state imaging device
US-2018017720-A1 · Jan 18, 2018 · US
Compound and photoelectric conversion device
US-9812263-B2 · Nov 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B23/164?
- CPC C09B23/164 is the Cooperative Patent Classification code for “containing one nitrogen atom.”
- How many patents are filed under CPC C09B23/164 (containing one nitrogen atom)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC C09B23/164 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2024 (latest complete years).