Non-cryogenic, ammonia-free reduction of aryl compounds
US-12421178-B2 · Sep 23, 2025 · US
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with nitrogen as the only hetero atom
with nitrogen as the only hetero atom · 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 | C07C45/562 |
| Official title | {with nitrogen as the only hetero atom} |
| Display label | with nitrogen as the only hetero atom |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2022 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds
US-2024092708-A1 · Mar 21, 2024 · US
Non-cryogenic, ammonia-free reduction of aryl compounds
US-11866386-B2 · Jan 9, 2024 · US
Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds
US-2022089508-A1 · Mar 24, 2022 · US
Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition
US-10781525-B2 · Sep 22, 2020 · US
Aryl beta diketones and their use as odorants
US-10577298-B2 · Mar 3, 2020 · US
Aryl beta diketones and their use as odorants
US-2019127305-A1 · May 2, 2019 · US
Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition
US-2019106799-A1 · Apr 11, 2019 · US
Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition
US-10208391-B2 · Feb 19, 2019 · US
Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition
US-2016108533-A1 · Apr 21, 2016 · US