Compositions, methods, and systems for the synthesis and use of imaging agents
US-2025170282-A1 · May 29, 2025 · US
with only hydrogen atoms attached to said nitrogen atoms
with only hydrogen atoms attached to said nitrogen 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 | C07D233/46 |
| Official title | with only hydrogen atoms attached to said nitrogen atoms |
| Display label | with only hydrogen atoms attached to said nitrogen atoms |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
2,3-dihydro-1h-imidazo{1,2-a}pyrimidin-5-one and this 1,2,3,4-tetrahydropyrimido{1,2-a}pyrimidin-6-one derivatives comprising a substituted morpholine, preparation thereof and pharmaceutical use thereof
US-11739100-B2 · Aug 29, 2023 · US
Bis-cyclic guanidines as antibacterial agents
US-11718585-B2 · Aug 8, 2023 · US
Compositions, methods, and systems for the synthesis and use of imaging agents
US-2022339303-A1 · Oct 27, 2022 · US
Bis-cyclic guanidines as antibacterial agents
US-2022119352-A1 · Apr 21, 2022 · US
Bis-cyclic guanidines as antibacterial agents
US-11214550-B2 · Jan 4, 2022 · US
AMYLOID PROTEIN-SELECTIVE BACE INHIBITORS (ASBIs) FOR ALZHEIMER?S DISEASE
US-2021101879-A1 · Apr 8, 2021 · US
Compositions, methods, and systems for the synthesis and use of imaging agents
US-2020397927-A1 · Dec 24, 2020 · US
Novel bis-cyclic guanidines as antibacterial agents
US-2020231572-A1 · Jul 23, 2020 · US
Novel 2,3-Dihydro-1h-imidazo{1,2-a}pyrimidin-5-one and this 1,2,3,4-tetrahydropyrimido{1,2-a}pyrimidin-6-one Derivatives Comprising a Substituted Morpholine, Preparation Thereof and Pharmaceutical Use Thereof
US-2019292205-A1 · Sep 26, 2019 · US
2,3-dihydro-1H-imidazo{1,2-a}pyrimidin-5-one and this 1,2,3,4-tetrahydropyrimido{1,2-a}pyrimidin-6-one derivatives comprising a substituted morpholine, preparation thereof and pharmaceutical use thereof
US-10253043-B2 · Apr 9, 2019 · US
Substituted pyrazoles as inhibitors of fibroblast growth factor receptor
US-10214515-B2 · Feb 26, 2019 · US
Bis-cyclic guanidines as antibacterial agents
US-10144713-B1 · Dec 4, 2018 · US
Substituted guanidines as fungicides
US-10111437-B2 · Oct 30, 2018 · US
Bis-cyclic guanidine compound compositions, methods of use and treatment thereof
US-10052309-B2 · Aug 21, 2018 · US
Indole derivative, preparation method thereof, and use thereof in pharmaceutical drug
US-2018194751-A1 · Jul 12, 2018 · US
Guanicide compound and fungicide
US-2018146677-A1 · May 31, 2018 · US
Bis-cyclic guanidine compound compositions, methods of use and treatment thereof
US-2018036286-A1 · Feb 8, 2018 · US
BIS-cyclic guanidine compound compositions, methods of use and treatment thereof
US-9782388-B2 · Oct 10, 2017 · US
Compositions, methods, and systems for the synthesis and use of imaging agents
US-2017266326-A1 · Sep 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D233/46?
- CPC C07D233/46 is the Cooperative Patent Classification code for “with only hydrogen atoms attached to said nitrogen atoms.”
- How many patents are filed under CPC C07D233/46 (with only hydrogen atoms attached to said nitrogen atoms)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C07D233/46 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).