Compounds and methods for optical sensing of electrical activity in biological systems
US-2020362174-A1 · Nov 19, 2020 · US
Methine or polymethine dyes, e.g. cyanine dyes
Methine or polymethine dyes, e.g. cyanine 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 | C09B23/00 |
| Official title | Methine or polymethine dyes, e.g. cyanine dyes |
| Display label | Methine or polymethine dyes, e.g. cyanine dyes |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 17 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dibenzopyrromethene boron chelate compound, near-infrared light absorbing material, thin film and organic electronics device
US-10829503-B2 · Nov 10, 2020 · US
Coloring composition, film, color filter, pattern forming method, method for manufacturing color filter, solid image pickup element, and infrared sensor
US-10829641-B2 · Nov 10, 2020 · US
Novel methine dyes
US-2020339813-A1 · Oct 29, 2020 · US
Methine dyes
US-10808129-B2 · Oct 20, 2020 · US
Optical filter and imaging device
US-10746908-B2 · Aug 18, 2020 · US
Fluorescent probe for aldh3a1 detection
US-2020207989-A1 · Jul 2, 2020 · US
Coloring composition, color filter, pattern forming method, solid-state imaging device, and image display device
US-10641935-B2 · May 5, 2020 · US
Treatment Of Myopia And Other Ocular Conditions Using Singlet Oxygen Generated From Dyes Activated By Near-Infrared Light
US-2020129620-A1 · Apr 30, 2020 · US
Infrared absorbing composition, infrared cut filter, laminate, pattern forming method, solid image pickup element
US-10598835-B2 · Mar 24, 2020 · US
Near infrared absorbing dye-based composite particles exhibiting photothermal effect, method for manufacturing the same, and use thereof
US-2020016269-A1 · Jan 16, 2020 · US
Shrink films, and method of making thereof
US-10513095-B2 · Dec 24, 2019 · US
Filter, optical sensor, solid-state imaging element, and image display device
US-2019378868-A1 · Dec 12, 2019 · US
Methine dyes
US-10487211-B2 · Nov 26, 2019 · US
Composition, film, near infrared cut filter, solid image pickup element, image display device, and infrared sensor
US-2019345321-A1 · Nov 14, 2019 · US
Methine dyes
US-10435565-B2 · Oct 8, 2019 · US
Dye-Based Polarizing Plate For Infrared Wavelength Range
US-2019271801-A1 · Sep 5, 2019 · US
Dibenzopyrromethene Boron Chelate Compound, Near-Infrared Light Absorbing Material, Thin Film and Organic Electronics Device
US-2019270758-A1 · Sep 5, 2019 · US
Optical filter and optical sensor device
US-2019227207-A1 · Jul 25, 2019 · US
Luminescent particle and compound
US-2019185745-A1 · Jun 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B23/00?
- CPC C09B23/00 is the Cooperative Patent Classification code for “Methine or polymethine dyes, e.g. cyanine dyes.”
- How many patents are filed under CPC C09B23/00 (Methine or polymethine dyes, e.g. cyanine dyes)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C09B23/00 growing?
- Publication counts under this code: 1 in 2024 vs 6 in 2025 (latest complete years).