Method for purifying an amino acid-n-carboxy anhydride
US-10975042-B2 · Apr 13, 2021 · US
having the hetero atoms in positions 1 and 3 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D267/06 |
| Official title | having the hetero atoms in positions 1 and 3 |
| Display label | having the hetero atoms in positions 1 and 3 |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10975042-B2 · Apr 13, 2021 · US
US-2019359579-A1 · Nov 28, 2019 · US
US-9783512-B2 · Oct 10, 2017 · US
US-2016075668-A1 · Mar 17, 2016 · US
US-9221842-B2 · Dec 29, 2015 · US