Difluorocarbene radiosynthesis
US-2024383827-A1 · Nov 21, 2024 · US
containing halogen
containing halogen · 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 | C07C43/225 |
| Official title | containing halogen |
| Display label | containing halogen |
| Total patents | 376 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 42 |
| 2016 | 59 |
| 2017 | 54 |
| 2018 | 41 |
| 2019 | 42 |
| 2020 | 30 |
| 2021 | 24 |
| 2022 | 22 |
| 2023 | 22 |
| 2024 | 19 |
| 2025 | 16 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid crystal composition and liquid crystal display including the same
US-2016362604-A1 · Dec 15, 2016 · US
Coupling a phenol and an arene using selenium dioxide
US-2016340281-A1 · Nov 24, 2016 · US
Block copolymer
US-2016311958-A1 · Oct 27, 2016 · US
Block copolymer
US-2016311960-A1 · Oct 27, 2016 · US
Block copolymer
US-2016304654-A1 · Oct 20, 2016 · US
Monomer and block copolymer
US-2016304653-A1 · Oct 20, 2016 · US
Block copolymer
US-2016280834-A1 · Sep 29, 2016 · US
Block copolymer
US-2016280835-A1 · Sep 29, 2016 · US
Liquid crystal compound having cyclohexene ring, liquid crystal composition and liquid crystal display device
US-2016280997-A1 · Sep 29, 2016 · US
Liquid crystal composition and liquid crystal display including the same
US-2016257881-A1 · Sep 8, 2016 · US
Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation
US-2016158388-A1 · Jun 9, 2016 · US
Liquid crystal composition and liquid crystal display device
US-2016137922-A1 · May 19, 2016 · US
Liquid crystal compound containing cyclopentyl and difluorometheneoxy linking group, preparation method and application thereof
US-9303208-B2 · Apr 5, 2016 · US
Liquid crystal compound, liquid crystal composition and liquid crystal display device
US-2016046864-A1 · Feb 18, 2016 · US
Composition containing vinyl-group-containing compound
US-2016046552-A1 · Feb 18, 2016 · US
Vinyl-group-containing fluorene compound
US-2016046551-A1 · Feb 18, 2016 · US
Compound containing crosslinkable moieties, prepolymer, blend and polymer sheet obtained therefrom, and waveguide for optical interconnection
US-2016041306-A1 · Feb 11, 2016 · US
Liquid crystal compound having difluoromethyleneoxy, liquid crystal composition and liquid crystal display device
US-2015376502-A1 · Dec 31, 2015 · US
Liquid crystal compound, liquid crystal composition and liquid crystal display device
US-2015376504-A1 · Dec 31, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C43/225?
- CPC C07C43/225 is the Cooperative Patent Classification code for “containing halogen.”
- How many patents are filed under CPC C07C43/225 (containing halogen)?
- Our database includes 376 publications tagged with this CPC code.
- Is patent activity under CPC C07C43/225 growing?
- Publication counts under this code: 19 in 2024 vs 16 in 2025 (latest complete years).