Solid forms of fasoracetam
US-2026015336-A1 · Jan 15, 2026 · US
by reduction with other reducing agents
by reduction with other reducing agents · 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 | C07C209/28 |
| Official title | by reduction with other reducing agents |
| Display label | by reduction with other reducing agents |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile with reduced formation of diaminocyclohexane
US-12415775-B2 · Sep 16, 2025 · US
Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof
US-2025179043-A1 · Jun 5, 2025 · US
Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof
US-2025163010-A1 · May 22, 2025 · US
Processes for the preparation of n-(1-methylcyclopropyl)-2-(3-pyridinyl)-2h-indazole-4-carboxamide and intermediates thereof
US-2025154124-A1 · May 15, 2025 · US
Process for preparing tertiary amines
US-2025042840-A1 · Feb 6, 2025 · US
Synthesis of ras inhibitors
US-2024383920-A1 · Nov 21, 2024 · US
Method for preparing tertiary amine with secondary amine as raw material
US-2024228449-A1 · Jul 11, 2024 · US
Direct reductive aminations with monotrifluoroacetoxy borane-amines
US-2024051974-A1 · Feb 15, 2024 · US
Processes for the Preparation of Fenfluramine
US-2024018090-A1 · Jan 18, 2024 · US
Cationic quaternary ammonium compounds and compositions comprising same and processes for their manufacture
US-11773053-B2 · Oct 3, 2023 · US
Solid forms of fasoracetam
US-2023203001-A1 · Jun 29, 2023 · US
Process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile with reduced formation of diaminocyclohexane
US-2023150918-A1 · May 18, 2023 · US
Fenfluramine compositions and methods of preparing the same
US-11634377-B2 · Apr 25, 2023 · US
Solid forms of fasoracetam
US-11608324-B2 · Mar 21, 2023 · US
Silylations of aromatic substrates with base-activated organosilanes
US-2022162236-A1 · May 26, 2022 · US
Silylations of aromatic substrates with base-activated organosilanes
US-11230520-B2 · Jan 25, 2022 · US
Scalable synthesis of optically active 1-cyclopropylalkyl-1-amines
US-2021395185-A1 · Dec 23, 2021 · US
Solid Forms of Fasoracetam
US-2021355102-A1 · Nov 18, 2021 · US
Fenfluramine compositions and methods of preparing the same
US-2021147335-A1 · May 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C209/28?
- CPC C07C209/28 is the Cooperative Patent Classification code for “by reduction with other reducing agents.”
- How many patents are filed under CPC C07C209/28 (by reduction with other reducing agents)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC C07C209/28 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).