Amination catalyst and preparation and use thereof
US-2023390747-A1 · Dec 7, 2023 · US
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by substitution of functional groups by amino groups
by substitution of functional groups by amino groups · 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 | C07C209/04 |
| Official title | by substitution of functional groups by amino groups |
| Display label | by substitution of functional groups by amino groups |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amination catalyst and preparation and use thereof
US-2023381757-A1 · Nov 30, 2023 · US
Synthesis of novel ionic liquids from lignin-derived compounds
US-10155735-B2 · Dec 18, 2018 · US
Synthesis of novel ionic liquids from lignin-derived compounds
US-2017349561-A1 · Dec 7, 2017 · US
Synthesis of novel ionic liquids from lignin-derived compounds
US-9765044-B2 · Sep 19, 2017 · US
Preparation of halogenated di-substituted benzylamines, particularly halogenated dialkylbenzylamines
US-9670135-B2 · Jun 6, 2017 · US
Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire
US-9663445-B2 · May 30, 2017 · US
Preparation of halogenated di-substituted benzylamines, particularly halogenated dialkylbenzylamines
US-2016304435-A1 · Oct 20, 2016 · US
Synthesis of novel ionic liquids from lignin-derived compounds
US-2016031843-A1 · Feb 4, 2016 · US
Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire
US-2015315125-A1 · Nov 5, 2015 · US
Synthesis system, rubber chemical substance for tires, synthetic rubber for tires, and pneumatic tire
US-9115047-B2 · Aug 25, 2015 · US