Method of producing L-glufosinate
US-12534482-B2 · Jan 27, 2026 · US
Preparation of carboxylic acid amides
Preparation of carboxylic acid amides · 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 | C07C231/00 |
| Official title | Preparation of carboxylic acid amides |
| Display label | Preparation of carboxylic acid amides |
| Total patents | 42 |
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 | 3 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Deprotection method and resin removal method in solid-phase reaction for peptide compound or amide compound, and method for producing peptide compound
US-12331072-B2 · Jun 17, 2025 · US
Deprotection method and resin removal method in solid-phase reaction for peptide compound or amide compound, and method for producing peptide compound
US-2025188116-A1 · Jun 12, 2025 · US
Macaúba oil for the production of oleochemicals
US-2025171712-A1 · May 29, 2025 · US
Macaúba oil for the production of oleochemicals
US-2025171710-A1 · May 29, 2025 · US
Amphoteric alkylamido betaines produced from macaúba palm oil
US-2025170087-A1 · May 29, 2025 · US
Macaúba oil for the production of oleochemicals
US-2025171713-A1 · May 29, 2025 · US
Macaúba oil for the production of oleochemicals
US-2025163344-A1 · May 22, 2025 · US
Light induced catalytic C—H oxygenation of alkanes
US-12281062-B2 · Apr 22, 2025 · US
L-glufosinate intermediate and L-glufosinate preparation method
US-12252502-B2 · Mar 18, 2025 · US
Method for producing acetaminophen
US-2025011278-A1 · Jan 9, 2025 · US
Method of acylating amino acids and uses of N-acyl amino acid products
US-12187624-B2 · Jan 7, 2025 · US
Bio-Based Coalescing Solvents
US-2024132728-A1 · Apr 25, 2024 · US
Deprotection method and resin removal method in solid-phase reaction for peptide compound or amide compound, and method for producing peptide compound
US-2023303619-A1 · Sep 28, 2023 · US
Deprotection method and resin removal method in solid-phase reaction for peptide compound or amide compound, and method for producing peptide compound
US-11732002-B2 · Aug 22, 2023 · US
Method of acylating amino acids and uses of n-acyl amino acid products
US-2023183095-A1 · Jun 15, 2023 · US
Light induced catalytic c-h oxygenation of alkanes
US-2022363621-A1 · Nov 17, 2022 · US
Method of producing l-glufosinate
US-2022306658-A1 · Sep 29, 2022 · US
Deprotection method and resin removal method in solid-phase reaction for peptide compound or amide compound, and method for producing peptide compound
US-2022024972-A1 · Jan 27, 2022 · US
L-glufosinate intermediate and l-glufosinate preparation method
US-2022024955-A1 · Jan 27, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C231/00?
- CPC C07C231/00 is the Cooperative Patent Classification code for “Preparation of carboxylic acid amides.”
- How many patents are filed under CPC C07C231/00 (Preparation of carboxylic acid amides)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C07C231/00 growing?
- Publication counts under this code: 1 in 2024 vs 11 in 2025 (latest complete years).