Long-lived gadolinium based tumor targeted imaging and therapy agents
US-12564635-B2 · Mar 3, 2026 · US
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having three nitrogen atoms as the only ring hetero atoms
having three nitrogen atoms as the only ring hetero atoms · 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 | C07F9/6515 |
| Official title | having three nitrogen atoms as the only ring hetero atoms |
| Display label | having three nitrogen atoms as the only ring hetero atoms |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Long-Lived Gadolinium Based Tumor Targeted Imaging and Therapy Agents
US-2023310610-A1 · Oct 5, 2023 · US
Long-lived gadolinium based tumor targeted imaging and therapy agents
US-11623007-B2 · Apr 11, 2023 · US
Antiviral acyclonucleoside analogues for use in treating a viral infection
US-11603380-B2 · Mar 14, 2023 · US
Compounds for use as iron (III) MRI contrast agents containing anionic pendents and ancillary groups
US-11344635-B2 · May 31, 2022 · US
Compounds for use as iron (iii) mri contrast agents containing anionic pendents and ancillary groups
US-2021260222-A1 · Aug 26, 2021 · US
New antiviral acyclonucleoside analogues
US-2021079031-A1 · Mar 18, 2021 · US
Long-Lived Gadolinium Based Tumor Targeted Imaging and Therapy Agents
US-2021008203-A1 · Jan 14, 2021 · US
Long-lived gadolinium based tumor targeting imaging and therapy agents
US-10813998-B2 · Oct 27, 2020 · US
Long-Lived Gadolinium Based Tumor Targeting Imaging and Therapy Agents
US-2019184014-A1 · Jun 20, 2019 · US
Long-lived gadolinium based tumor targeted imaging and therapy agents
US-10265398-B2 · Apr 23, 2019 · US
Synthesis of imidazo[1,2-a]pyrazin-4-ium salts for the synthesis of 1,4,7-triazacyclononane (tacn) and N- and/or C- functionalized derivatives thereof
US-9988388-B2 · Jun 5, 2018 · US
Synthesis of imidazo[1,2-a]pyrazin-4-ium salts for the synthesis of 1,4,7-triazacyclononane (tacn) and N- and/or C-functionalized derivatives thereof
US-9981967-B2 · May 29, 2018 · US
Long-lived gadolinium based tumor targeted imaging and therapy agents
US-2017128572-A1 · May 11, 2017 · US
SYNTHESIS OF IMIDAZO[1,2-a]PYRAZIN-4-IUM SALTS FOR THE SYNTHESIS OF 1,4,7-TRIAZACYCLONONANE (TACN) AND N- AND/OR C- FUNCTIONALIZED DERIVATIVES THEREOF
US-2016222018-A1 · Aug 4, 2016 · US
Triazacyclononane-based phosphinate ligand and its use for molecular imaging
US-9260483-B2 · Feb 16, 2016 · US