Chiral resolution method mimicking magnetic beneficiation and the magnetic nano-inhibitors for selective enrichment
US-12104022-B2 · Oct 1, 2024 · US
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by separation of optical isomers
by separation of optical isomers · 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 | C07C231/20 |
| Official title | by separation of optical isomers |
| Display label | by separation of optical isomers |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing 2-methyl-N-(2′-methylbutyl)butanamide
US-11970432-B2 · Apr 30, 2024 · US
Process for preparing 2-methyl-n-(2' -methylbutyl)butanamide
US-2023202968-A1 · Jun 29, 2023 · US
Process for preparing 2-methyl-N-(2′-methylbutyl)butanamide
US-11629119-B2 · Apr 18, 2023 · US
Method for producing lacosamide and intermediate thereof
US-11623943-B2 · Apr 11, 2023 · US
Method for producing optically active substance, optically active substance, method for producing chiral molecule, and chiral molecule
US-11603337-B2 · Mar 14, 2023 · US
Process for preparing 2-methyl-n-(2' -methylbutyl)butanamide
US-2022411363-A1 · Dec 29, 2022 · US
Method for producing lacosamide and intermediate thereof
US-2021188904-A1 · Jun 24, 2021 · US
A chiral resolution method mimicking magnetic beneficiation and the magnetic nano-inhibitors for selective enrichment
US-2021163695-A1 · Jun 3, 2021 · US
Method for producing lacosamide and intermediate thereof
US-10975117-B2 · Apr 13, 2021 · US
Method for producing optically active substance, optically active substance, method for producing chiral molecule, and chiral molecule
US-2020087227-A1 · Mar 19, 2020 · US
Method for producing lacosamide and intermediate thereof
US-2018371013-A1 · Dec 27, 2018 · US