Process for manufacture of a complexing agent
US-2023135390-A1 · May 4, 2023 · US
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Racemisation of optical isomers
Racemisation 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 | C07C227/36 |
| Official title | Racemisation of optical isomers |
| Display label | Racemisation of optical isomers |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 3 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for manufacturing MGDA/GLDA granules, granules, and their use
US-10865362-B2 · Dec 15, 2020 · US
Process for manufacturing granules, and granules and their use
US-2020181537-A1 · Jun 11, 2020 · US
Atropisomers and methods of altering enantiomeric excess
US-10584077-B2 · Mar 10, 2020 · US
Method for producing dicarboxylic acid compound
US-10189804-B2 · Jan 29, 2019 · US
Atropisomers and Methods of Altering Enantiomeric Excess
US-2018179120-A1 · Jun 28, 2018 · US
Method for producing dicarboxylic acid compound
US-2018148424-A1 · May 31, 2018 · US
Mixtures of MGDA enantiomers, and process for making such mixtures
US-9802884-B2 · Oct 31, 2017 · US
Compound, optical resolution method, and derivative of an optical isomer of an amino acid
US-9656948-B2 · May 23, 2017 · US
Mixtures of enantiomers, and process for making such mixtures
US-2016221931-A1 · Aug 4, 2016 · US
Compound, optical resolution method, and derivative of an optical isomer of an amino acid
US-2016039743-A1 · Feb 11, 2016 · US
Compound, optical resolution method, and derivative of an optical isomer of an amino acid
US-9193684-B2 · Nov 24, 2015 · US
Compound, optical resolution method, and derivative of an optical isomer of an amino acid
US-2015065716-A1 · Mar 5, 2015 · US