Process for making [1.1.1]propellane
US-11724971-B2 · Aug 15, 2023 · US
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with a bridged ring system
with a bridged ring system · 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 | C07C13/605 |
| Official title | with a bridged ring system |
| Display label | with a bridged ring system |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Difluoromethyl iodo compounds and methods
US-2023159416-A1 · May 25, 2023 · US
Process for making [1.1.1]propellane
US-2022324775-A1 · Oct 13, 2022 · US
Continuous flow processes for making bicyclic compounds
US-11339103-B2 · May 24, 2022 · US
Continuous flow processes for making bicyclic compounds
US-2021061730-A1 · Mar 4, 2021 · US
Spiroketal-based C2-symmetric scaffold for asymmetric catalysis
US-10565015-B2 · Feb 18, 2020 · US
Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation
US-10227433-B2 · Mar 12, 2019 · US
Cyclopropanation of substituted alkenes
US-10227269-B2 · Mar 12, 2019 · US
Cyclopropanation of substituted alkenes
US-2018170830-A1 · Jun 21, 2018 · US
Materials for organic electroluminescence devices
US-9893292-B2 · Feb 13, 2018 · US
Cyclopropanation
US-9663420-B2 · May 30, 2017 · US
Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation
US-2016369026-A1 · Dec 22, 2016 · US
Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation
US-9468890-B2 · Oct 18, 2016 · US