Ph-reversible leuco-BODIPY probe for in situ visualization of extracellular vesicles and their secretion from living cells
US-12578273-B2 · Mar 17, 2026 · US
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the polymethine chain being branched {"branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine dyes}
the polymethine chain being branched {"branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear 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 | C09B23/12 |
| Official title | the polymethine chain being branched {"branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine dyes} |
| Display label | the polymethine chain being branched {"branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine dyes} |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Triplet-triplet annihilation upconversion system, and compositions and methods thereof for drug delivery
US-11827655-B2 · Nov 28, 2023 · US
Ph-reversible leuco-bodipy probe for in situ visualization of extracellular vesicles and their secretion from living cells
US-2023060172-A1 · Mar 2, 2023 · US
Triplet-triplet annihilation upconversion system, and compositions and methods thereof for drug delivery
US-2022002320-A1 · Jan 6, 2022 · US
Triplet-triplet annihilation upconversion system, and compositions and methods thereof for drug delivery
US-11078217-B2 · Aug 3, 2021 · US
Triplet-triplet annihilation upconversion system, and compositions and methods thereof for drug delivery
US-2020172559-A1 · Jun 4, 2020 · US
Activatable fluorogenic compounds and uses thereof as near infrared probes
US-10071983-B2 · Sep 11, 2018 · US
Dyes for labelling molecular ligands
US-9738786-B2 · Aug 22, 2017 · US
Dye compositions, methods of preparation, conjugates thereof, and methods of use
US-9631096-B2 · Apr 25, 2017 · US
Dyes for labelling molecular ligands
US-2016355683-A1 · Dec 8, 2016 · US
Activatable fluorogenic compounds and uses thereof as near infrared probes
US-2016229840-A1 · Aug 11, 2016 · US
Dyes for labelling molecular ligands
US-9376568-B2 · Jun 28, 2016 · US
Methine dyes with large organic counter anion for dye sensitized solar cells
US-2016155575-A1 · Jun 2, 2016 · US
Activatable fluorogenic compounds and uses thereof as near infrared probes
US-9341630-B2 · May 17, 2016 · US
Cyanine compounds and their application as quenching compounds
US-9150922-B2 · Oct 6, 2015 · US
Dyes for labelling molecular ligands
US-2015274976-A1 · Oct 1, 2015 · US
Electronic devices comprising structured organic films
US-9097995-B2 · Aug 4, 2015 · US
Dyes for labelling molecular ligands
US-9085698-B2 · Jul 21, 2015 · US
Photoelectric conversion device and photoelectric conversion device dye, and compound
US-9040722-B2 · May 26, 2015 · US
Dye compositions, methods of preparation, conjugates thereof, and methods of use
US-2015011731-A1 · Jan 8, 2015 · US