Method for co-producing valproamide and sodium valproate
US-2025346555-A1 · Nov 13, 2025 · US
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from nitriles
from nitriles · 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 | C07C67/22 |
| Official title | from nitriles |
| Display label | from nitriles |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chemoselective methylene hydroxylation in aromatic molecules
US-10961266-B2 · Mar 30, 2021 · US
Chemoselective methylene hydroxylation in aromatic molecules
US-2020087331-A1 · Mar 19, 2020 · US
Process for synthesizing an amido alkyl betaine starting from an alcohol, an amido alkyl betaine prepared by the process with increased viscosity, and use thereof as a viscoelastic surfactant
US-10577310-B2 · Mar 3, 2020 · US
Compositions and methods for preparing β,γ-unsaturated acids
US-10336678-B2 · Jul 2, 2019 · US
A process for synthesizing an amido alkyl betaine starting from an alcohol, an amido alkyl betaine prepared by the process with increased viscosity, and use thereof as a viscoelastic surfactant
US-2019127316-A1 · May 2, 2019 · US
Biomass-derived methyl methacrylate and corresponding manufacturing method, uses and polymers
US-9938225-B2 · Apr 10, 2018 · US
Method for hydrolysing acetone cyanohydrin
US-9458083-B2 · Oct 4, 2016 · US
Ether-amide compounds and preparation and uses thereof
US-9371273-B2 · Jun 21, 2016 · US
Solvent media comprising branched carboxylic acid diesters
US-9267015-B2 · Feb 23, 2016 · US
Ether-amide compounds and preparation and uses thereof
US-8969621-B2 · Mar 3, 2015 · US
Method for hydrolysing acetone cyanohydrin
US-2015045577-A1 · Feb 12, 2015 · US