Production method of dicarboxylic acid compounds and/or diamine compounds using polyamide as a raw material
US-2025122145-A1 · Apr 17, 2025 · US
from carboxylic acid amides
from 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 | C07C51/06 |
| Official title | from carboxylic acid amides |
| Display label | from carboxylic acid amides |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2018 | 12 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High purity 2-naphthylacetonitrile and method for producing same
US-12187664-B2 · Jan 7, 2025 · US
Method for manufacturing aromatic nitrile compound
US-2024351978-A1 · Oct 24, 2024 · US
High purity 2-naphthylacetonitrile and method for producing same
US-12084404-B2 · Sep 10, 2024 · US
Method for manufacturing aromatic nitrile compound
US-12054448-B2 · Aug 6, 2024 · US
Compositions and methods of preparation thereof
US-2024092719-A1 · Mar 21, 2024 · US
Process of making organic compounds
US-2024059636-A1 · Feb 22, 2024 · US
Optimized process for synthesizing methacrylic acid (maa) and/or alkyl methacrylate by reducing unwanted byproducts
US-2024010604-A1 · Jan 11, 2024 · US
Optimized process for synthesizing alkyl methacrylate by reducing unwanted byproducts
US-2023416184-A1 · Dec 28, 2023 · US
Improved process for preparing methyl methacrylate and/or methacrylic acid by reduced back mixing during conversion
US-2023399286-A1 · Dec 14, 2023 · US
Compositions and methods of preparation thereof
US-11827591-B2 · Nov 28, 2023 · US
High purity 2-naphthylacetonitrile and method for producing same
US-2023227400-A1 · Jul 20, 2023 · US
High purity 2-naphthylacetonitrile and method for producing same
US-11643386-B2 · May 9, 2023 · US
Method for producing glycolic acid salt and method for producing glycolic acid
US-2023095083-A1 · Mar 30, 2023 · US
Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the method
US-11459314-B2 · Oct 4, 2022 · US
High purity 2-naphthylacetonitrile and method for producing same
US-2022281806-A1 · Sep 8, 2022 · US
Compositions and methods of preparation thereof
US-2022135510-A1 · May 5, 2022 · US
High purity 2-naphthylacetonitrile and method for producing same
US-2022009880-A1 · Jan 13, 2022 · US
Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the method
US-2021371405-A1 · Dec 2, 2021 · US
Method for manufacturing aromatic nitrile compound
US-2021078940-A1 · Mar 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C51/06?
- CPC C07C51/06 is the Cooperative Patent Classification code for “from carboxylic acid amides.”
- How many patents are filed under CPC C07C51/06 (from carboxylic acid amides)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C07C51/06 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).