Lysergic acid derivatives and methods
US-2025304573-A1 · Oct 2, 2025 · US
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with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8
with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8 · 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 | C07D457/04 |
| Official title | with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8 |
| Display label | with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8 |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same
US-2024357923-A1 · Oct 24, 2024 · US
Selective psychedelic compounds
US-2024343692-A1 · Oct 17, 2024 · US
Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same
US-12063851-B2 · Aug 13, 2024 · US
Lysergic acid derivatives and methods
US-2023365552-A1 · Nov 16, 2023 · US
Nitrogenated aromatic heterocyclic derivative and organic electroluminescent element using same
US-2019013475-A1 · Jan 10, 2019 · US
Nitrogenated aromatic heterocyclic derivative, and organic electroluminescent element using same
US-10043977-B2 · Aug 7, 2018 · US
Ergoline derivatives as dopamine receptor modulators
US-9670199-B2 · Jun 6, 2017 · US
Process for producing 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid and complexes thereof
US-9458117-B2 · Oct 4, 2016 · US
Ergoline derivatives as dopamine receptor modulators
US-2015307486-A1 · Oct 29, 2015 · US
Novel fluoroergoline analogs
US-2015099755-A1 · Apr 9, 2015 · US