Propellane derivates and synthesis
US-10654812-B2 · May 19, 2020 · US
Formation of amino groups in compounds containing carboxyl groups
Formation of amino groups in compounds containing carboxyl 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 | C07C227/04 |
| Official title | Formation of amino groups in compounds containing carboxyl groups |
| Display label | Formation of amino groups in compounds containing carboxyl groups |
| Total patents | 104 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 8 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nitrogen containing biopolymer-based catalysts, a process for their preparation and uses thereof
US-2019381485-A1 · Dec 19, 2019 · US
Preparation of amino acids and amino acid derivatives
US-2019276388-A1 · Sep 12, 2019 · US
Expedient synthesis of oseltamivir and related compounds via direct olefin diazidation-diamidation reaction
US-10385010-B1 · Aug 20, 2019 · US
Process and intermediates for the preparation of NEP inhibitors
US-10385004-B2 · Aug 20, 2019 · US
Process for the recovery of a boronic acid
US-10377700-B2 · Aug 13, 2019 · US
Monomer, polymer, compensation film, optical film, and display device
US-2019162888-A1 · May 30, 2019 · US
Process for the manufacture of an amino ester
US-10266483-B2 · Apr 23, 2019 · US
Fluorinated cyclopropylamine compound, preparation method therefor, pharmaceutical composition thereof, and uses thereof
US-2019100507-A1 · Apr 4, 2019 · US
Monomer, polymer, compensation film, optical film, and display device
US-10247867-B2 · Apr 2, 2019 · US
Process for the preparation of iopamidol
US-2019077745-A1 · Mar 14, 2019 · US
Process for the preparation of iopamidol
US-2019071392-A1 · Mar 7, 2019 · US
Cyclopropyl derivatives and methods of use
US-10207984-B2 · Feb 19, 2019 · US
Method for producing dicarboxylic acid compound
US-10189804-B2 · Jan 29, 2019 · US
Kinase activity regulating compound intermediates preparation method
US-2018346418-A1 · Dec 6, 2018 · US
Amino acid preparation method comprising a step of hydroformylation of an unsaturated fatty nitrile
US-10125221-B2 · Nov 13, 2018 · US
Chiral ligand-based metal-organic frameworks for broad-scope asymmetric catalysis
US-10118169-B2 · Nov 6, 2018 · US
Composition made of amino acid or ester with polymer quality and methods for obtaining same
US-2018282259-A1 · Oct 4, 2018 · US
Cross metathesis approach to C11-C13 fatty-chain amino esters from oleic acid derivatives
US-10087137-B2 · Oct 2, 2018 · US
Syntheses of n-heterocyclic carbenes and intermediates therefor
US-2018186754-A1 · Jul 5, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C227/04?
- CPC C07C227/04 is the Cooperative Patent Classification code for “Formation of amino groups in compounds containing carboxyl groups.”
- How many patents are filed under CPC C07C227/04 (Formation of amino groups in compounds containing carboxyl groups)?
- Our database includes 104 publications tagged with this CPC code.
- Is patent activity under CPC C07C227/04 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).