Optically active bisphosphinomethane, method for producing the same, and transition metal complex and asymmetric catalyst
US-11498935-B2 · Nov 15, 2022 · US
from starting materials having the structure P-Metal, including R2P-M+ · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/5077 |
| Official title | {from starting materials having the structure P-Metal, including R2P-M+} |
| Display label | from starting materials having the structure P-Metal, including R2P-M+ |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11498935-B2 · Nov 15, 2022 · US
US-2022204537-A1 · Jun 30, 2022 · US
US-2020115402-A1 · Apr 16, 2020 · US
US-10407448-B2 · Sep 10, 2019 · US
US-2019040090-A1 · Feb 7, 2019 · US
US-10072033-B2 · Sep 11, 2018 · US
US-2017233418-A1 · Aug 17, 2017 · US