Difluorocarbene radiosynthesis
US-2024383827-A1 · Nov 21, 2024 · US
Polycyclic halogenated hydrocarbons
Polycyclic halogenated hydrocarbons · 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 | C07C23/18 |
| Official title | Polycyclic halogenated hydrocarbons |
| Display label | Polycyclic halogenated hydrocarbons |
| Total patents | 32 |
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 | 4 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compounds that can be used for structuring functional layers of organic electroluminescent devices
US-2023371363-A1 · Nov 16, 2023 · US
Compound of 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-based phosphine ligand, and preparation method thereof
US-11530230-B2 · Dec 20, 2022 · US
Decarboxylative cross-coupling and applications thereof
US-11512071-B2 · Nov 29, 2022 · US
Compound of 3,3,3',3'-tetramethyl-1,1'-spirobiindane-based phosphine ligand, and preparation method thereof
US-2021163514-A1 · Jun 3, 2021 · US
Synthesis of haloindenes
US-10954178-B1 · Mar 23, 2021 · US
Compound, method for manufacturing the compound, and composition for forming organic film
US-10604618-B2 · Mar 31, 2020 · US
Methods of making stable and thermally polymerizable vinyl, amino or oligomeric phenoxy benzocyclobutene monomers with improvied curing kinetics
US-2020087429-A1 · Mar 19, 2020 · US
Compound, method for manufacturing the compound, and composition for forming organic film
US-2019390000-A1 · Dec 26, 2019 · US
Methods of making stable and thermally polymerizable vinyl, amino or oligomeric phenoxy benzocyclobutene monomers with improved curing kinetics
US-10513568-B2 · Dec 24, 2019 · US
Novel initiators for living carbocationic polymerization
US-2019367664-A1 · Dec 5, 2019 · US
Initiators for living carbocationic polymerization
US-10472457-B2 · Nov 12, 2019 · US
Liquid crystal composition and a liquid crystal display including the same
US-10421907-B2 · Sep 24, 2019 · US
Methods of making stable and thermally polymerizable vinyl, amino or oligomeric phenoxy benzocyclobutene monomers with improved curing kinetics
US-2019169327-A1 · Jun 6, 2019 · US
Novel initiators for living carbocationic polymerization
US-2019127510-A1 · May 2, 2019 · US
Liquid crystal compound having tetrafluoro cyclohexadiene structure showing negative anisotropy, liquid crystal composition, and liquid crystal display device
US-10221114-B2 · Mar 5, 2019 · US
Reagents and methods for fluorinating a substrate
US-10144747-B2 · Dec 4, 2018 · US
Liquid crystal composition and liquid crystal display device comprising the same
US-10106739-B2 · Oct 23, 2018 · US
Compounds having a difluorocyclohexane ring, liquid crystal compositions and liquid crystal display devices
US-10100251-B2 · Oct 16, 2018 · US
Method for the preparation of iodoalkanes
US-10040740-B2 · Aug 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C23/18?
- CPC C07C23/18 is the Cooperative Patent Classification code for “Polycyclic halogenated hydrocarbons.”
- How many patents are filed under CPC C07C23/18 (Polycyclic halogenated hydrocarbons)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C07C23/18 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).