Organic compound, perovskite precursor solution, perovskite film, perovskite cell, and electric apparatus
US-2025386725-A1 · Dec 18, 2025 · US
having carbon atoms of amidino groups bound to hydrogen atoms
having carbon atoms of amidino groups bound to hydrogen 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 | C07C257/12 |
| Official title | having carbon atoms of amidino groups bound to hydrogen atoms |
| Display label | having carbon atoms of amidino groups bound to hydrogen atoms |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for controlling phakopsora pachyrhizi having resistance against QoI fungicide
US-12439917-B2 · Oct 14, 2025 · US
Method for synthesizing perovskite precursor solution of formamidine-based ionic liquid, celldevice, and solar cell
US-2025287825-A1 · Sep 11, 2025 · US
Organic-inorganic perovskite, film, light-emitting film, delayed fluorescence-emitting film, light-emitting element, and method for producing light-emitting element
US-11991920-B2 · May 21, 2024 · US
Fungicidal aryl amidines
US-2024023549-A1 · Jan 25, 2024 · US
Fungicidal aryl amidines
US-2024000075-A1 · Jan 4, 2024 · US
Low halide lanthanum precursors for vapor deposition
US-2023382927-A1 · Nov 30, 2023 · US
Low halide lanthanum precursors for vapor deposition
US-11753420-B2 · Sep 12, 2023 · US
Organic-inorganic perovskite, film, light-emitting film, delayed fluorescence-emitting film, light-emitting element, and method for producing light-emitting element
US-2023157149-A1 · May 18, 2023 · US
METHOD FOR CONTROLLING PHAKOPSORA PACHYRHIZI HAVING RESISTANCE AGAINST QoI FUNGICIDE
US-2023127143-A1 · Apr 27, 2023 · US
Method of manufacturing a thin film of perovskite compound and method of manufacturing a solar cell using the same
US-2022336158-A1 · Oct 20, 2022 · US
Fungicidal aryl amidines
US-2022220068-A1 · Jul 14, 2022 · US
Amidine substituted benzoyl derivatives useful as herbicides
US-11272709-B2 · Mar 15, 2022 · US
Preparation method of formamidinium lead halide perovskite quantum dots
US-11208592-B2 · Dec 28, 2021 · US
Low Halide Lanthanum Precursors For Vapor Deposition
US-2021363162-A1 · Nov 25, 2021 · US
Organic-inorganic perovskite, film, light-emitting film, delayed fluorescence-emitting film, light-emitting element, and method for producing light-emitting element
US-2021184138-A1 · Jun 17, 2021 · US
Microbiocidal phenylamidine derivatives
US-10925283-B2 · Feb 23, 2021 · US
Phenoxyhalogenphenylamidines and the use thereof as fungicides
US-10912297-B2 · Feb 9, 2021 · US
Amidine Substituted Benzoyl Derivatives Useful As Herbicides
US-2020345009-A1 · Nov 5, 2020 · US
Microbiocidal phenylamidine derivatives
US-10723695-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C257/12?
- CPC C07C257/12 is the Cooperative Patent Classification code for “having carbon atoms of amidino groups bound to hydrogen atoms.”
- How many patents are filed under CPC C07C257/12 (having carbon atoms of amidino groups bound to hydrogen atoms)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C07C257/12 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).