Synthesis of intermediates for the preparation of alpha-tocopherol
US-11724996-B2 · Aug 15, 2023 · US
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with manganese derivatives
with manganese derivatives · 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 | C07C45/298 |
| Official title | {with manganese derivatives} |
| Display label | with manganese derivatives |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Treatment of quarry liquid effluent
US-11319232-B2 · May 3, 2022 · US
Method for the production of a material of plant origin that is rich in phenolic acids, comprising at least one metal, for carrying out organic synthesis reactions
US-11254597-B2 · Feb 22, 2022 · US
Method for producing oxide using beta-manganese dioxide
US-2021317100-A1 · Oct 14, 2021 · US
Synthesis of intermediates for the preparation of alpha-tocopherol
US-2021300886-A1 · Sep 30, 2021 · US
Novel synthesis of intermediates for the preparation of alpha-tocopherol
US-2020131145-A1 · Apr 30, 2020 · US
Method for the production of a material of plant origin that is rich in phenolic acids, comprising at least one metal, for carrying out organic synthesis reactions
US-2020047165-A1 · Feb 13, 2020 · US
Treatment of quarry liquid effluent
US-2020039856-A1 · Feb 6, 2020 · US
Photolabile pro-fragrances
US-2018170849-A1 · Jun 21, 2018 · US
Method for producing menthones from isopulegol in the gas phase
US-9856199-B2 · Jan 2, 2018 · US
Method for producing menthones from isopulegol in the gas phase
US-2017066705-A1 · Mar 9, 2017 · US