Copper catalyzed [18F]fluorination of iodonium salts
US-10071943-B2 · Sep 11, 2018 · US
by introduction of halogens; by substitution of halogen atoms by other halogen atoms
by introduction of halogens; by substitution of halogen atoms by other halogen atoms · 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 | C07C41/22 |
| Official title | by introduction of halogens; by substitution of halogen atoms by other halogen atoms |
| Display label | by introduction of halogens; by substitution of halogen atoms by other halogen atoms |
| Total patents | 162 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 11 |
| 2017 | 21 |
| 2018 | 18 |
| 2019 | 17 |
| 2020 | 24 |
| 2021 | 12 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing sevoflurane
US-10065912-B2 · Sep 4, 2018 · US
Synthesis of honokiol
US-10053406-B2 · Aug 21, 2018 · US
Method for producing sevoflurane
US-2018222834-A1 · Aug 9, 2018 · US
Novel compounds for use in pcr systems and applications thereof
US-2018223334-A1 · Aug 9, 2018 · US
Method for the preparation of iodoalkanes
US-10040740-B2 · Aug 7, 2018 · US
Hydrofluoroether compound, nonaqueous electrolyte solution and lithium ion secondary battery
US-2018115020-A1 · Apr 26, 2018 · US
Graphene compound and manufacturing method thereof, electrolyte, and power storage device
US-2018108944-A1 · Apr 19, 2018 · US
Method for producing fluorine-containing olefin
US-2018086684-A1 · Mar 29, 2018 · US
Compounds for use in PCR systems and applications thereof
US-9914964-B2 · Mar 13, 2018 · US
Vinyl-group-containing fluorene compound
US-9902675-B2 · Feb 27, 2018 · US
Vinyl-group-containing fluorene compound
US-2018050973-A1 · Feb 22, 2018 · US
Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation
US-2018037526-A1 · Feb 8, 2018 · US
Methods of making halogenated fluorinated ether-containing compounds
US-9828320-B2 · Nov 28, 2017 · US
Method for preparing organic fluoride-aliphatic compound and method for purifying organic fluoride-aliphatic compound
US-2017319720-A1 · Nov 9, 2017 · US
Method for producing fluorine-containing olefin
US-9796647-B2 · Oct 24, 2017 · US
Method for producing olefin containing chlorine and fluorine
US-2017291863-A1 · Oct 12, 2017 · US
Method for producing olefin
US-2017291862-A1 · Oct 12, 2017 · US
Methods of making halogenated partially fluorinated compounds
US-2017283351-A1 · Oct 5, 2017 · US
Methods of making halogenated fluorinated ether-containing compounds
US-2017260116-A1 · Sep 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C41/22?
- CPC C07C41/22 is the Cooperative Patent Classification code for “by introduction of halogens; by substitution of halogen atoms by other halogen atoms.”
- How many patents are filed under CPC C07C41/22 (by introduction of halogens; by substitution of halogen atoms by other halogen atoms)?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC C07C41/22 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).