Method for preparing 2-hydroxyethyl aminocaproate compound and use thereof
US-2026092031-A1 · Apr 2, 2026 · US
by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates
by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates · 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 | C07C227/20 |
| Official title | by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates |
| Display label | by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for acid hydrolysis of pure polylaurolactam
US-12351538-B2 · Jul 8, 2025 · US
Process for the synthesis of (s) 3-amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid
US-12331006-B2 · Jun 17, 2025 · US
Process for synthesis of picolinamides
US-12281076-B2 · Apr 22, 2025 · US
Process for the synthesis of melphalan
US-12077484-B2 · Sep 3, 2024 · US
Process for acid hydrolysis of pure polylaurolactam
US-2024018092-A1 · Jan 18, 2024 · US
Method for photocleavage of amide bonds
US-11845708-B2 · Dec 19, 2023 · US
Process for the synthesis of Melphalan
US-11787761-B2 · Oct 17, 2023 · US
Process for the synthesis of melphalan
US-2023286901-A1 · Sep 14, 2023 · US
A process for the synthesis of melphalan
US-2023094970-A1 · Mar 30, 2023 · US
Process for synthesis of picolinamides
US-2022411375-A1 · Dec 29, 2022 · US
Method for photocleavage of amide bonds
US-2022289665-A1 · Sep 15, 2022 · US
Novel formulation and method of synthesis
US-2022001034-A1 · Jan 6, 2022 · US
Formulation and method of synthesis
US-11077216-B2 · Aug 3, 2021 · US
Process for the synthesis of (s) 3-amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid
US-2021139412-A1 · May 13, 2021 · US
Process for the synthesis of (s) 3-amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid
US-10836708-B2 · Nov 17, 2020 · US
Process for the preparation of hyperpolarized carboxylate compounds
US-10695448-B2 · Jun 30, 2020 · US
Method of synthesizing diclofenac sodium
US-10662145-B2 · May 26, 2020 · US
Method of synthesizing diclofenac sodium
US-2020055811-A1 · Feb 20, 2020 · US
Process for the synthesis of (s) 3-amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid
US-2019359555-A1 · Nov 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C227/20?
- CPC C07C227/20 is the Cooperative Patent Classification code for “by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates.”
- How many patents are filed under CPC C07C227/20 (by hydrolysis of N-acylated amino-acids or derivatives thereof, e.g. hydrolysis of carbamates)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C07C227/20 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).