Continuous-flow preparation method of amino alcohol compounds
US-2025229248-A1 · Jul 17, 2025 · US
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from compounds containing already amino and carboxyl groups or derivatives thereof
from compounds containing already amino and carboxyl groups or derivatives thereof · 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 | C07C227/14 |
| Official title | from compounds containing already amino and carboxyl groups or derivatives thereof |
| Display label | from compounds containing already amino and carboxyl groups or derivatives thereof |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing hetero-type monodisperse polyethylene glycol derivative
US-12030833-B2 · Jul 9, 2024 · US
Manufacture of nitrile compounds
US-2024132444-A1 · Apr 25, 2024 · US
Prodrugs of glutamine analogs
US-11926640-B2 · Mar 12, 2024 · US
Process for the preparation of ortho-halogenated phenylalanine compounds
US-2023250049-A1 · Aug 10, 2023 · US
Modified conjugated diene-based polymer and method of preparing the same
US-11359037-B2 · Jun 14, 2022 · US
Method for producing hetero-type monodisperse polyethylene glycol derivative
US-2022153683-A1 · May 19, 2022 · US
Prodrugs of glutamine analogs
US-2021206787-A1 · Jul 8, 2021 · US
Prodrugs of glutamine analogs
US-10954257-B2 · Mar 23, 2021 · US
Modified Conjugated Diene-Based Polymer And Method Of Preparing The Same
US-2020369804-A1 · Nov 26, 2020 · US
Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants
US-10815444-B2 · Oct 27, 2020 · US
Modified conjugated diene-based polymer and method of preparing the same
US-10808057-B2 · Oct 20, 2020 · US
Prodrugs of glutamine analogs
US-10738066-B2 · Aug 11, 2020 · US
Modified Conjugated Diene-Based Polymer And Method Of Preparing The Same
US-2020123287-A1 · Apr 23, 2020 · US
Prodrugs of glutamine analogs
US-2019315783-A1 · Oct 17, 2019 · US
Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants
US-2019316053-A1 · Oct 17, 2019 · US
Prodrugs of glutamine analogs
US-2019315784-A1 · Oct 17, 2019 · US
Use of specific derivatives of quaternized nitrogen compounds as additives in fuels and lubricants
US-10370610-B2 · Aug 6, 2019 · US
Prodrugs of glutamine analogs
US-10336778-B2 · Jul 2, 2019 · US
Versatile non-destructive surface modification of carbonaceous materials and process for grafting into polymer matrices
US-10316010-B2 · Jun 11, 2019 · US