Method for producing chlorofluorobutane (cfb)
US-2026055039-A1 · Feb 26, 2026 · US
the other compound being a halogen
the other compound being a 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 | C07C17/204 |
| Official title | {the other compound being a halogen} |
| Display label | the other compound being a halogen |
| Total patents | 49 |
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 | 3 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene
US-2026042721-A1 · Feb 12, 2026 · US
Method for producing 1,2,3,4-tetrachloro-1,1,2,3,4,4-hexafluorobutane
US-2026035325-A1 · Feb 5, 2026 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2 chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-2026015535-A1 · Jan 15, 2026 · US
Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene
US-12421181-B2 · Sep 23, 2025 · US
Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene
US-2025074847-A1 · Mar 6, 2025 · US
Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene
US-12180132-B2 · Dec 31, 2024 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-2024400874-A1 · Dec 5, 2024 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2 chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-12091607-B2 · Sep 17, 2024 · US
Method for producing bromofluoromethane
US-2024228409-A1 · Jul 11, 2024 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2 chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-2023250326-A1 · Aug 10, 2023 · US
Preparation of an improved composition from 1-chloro-3,3,3-trifluoropropene (hfo-1233zd) high boiling residue by-product
US-2023234901-A1 · Jul 27, 2023 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropen
US-11655406-B2 · May 23, 2023 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropen
US-2023076289-A1 · Mar 9, 2023 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-11512239-B2 · Nov 29, 2022 · US
Compositions and methods for synthesis of 2,3-dichloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene
US-2022306557-A1 · Sep 29, 2022 · US
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-2022204828-A1 · Jun 30, 2022 · US
Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene
US-2022162141-A1 · May 26, 2022 · US
Compositions comprising 2,3-dichloro-1,1,1 -trifluoropropane, 2-chloro-1,1,1 -trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
US-11312890-B2 · Apr 26, 2022 · US
Method for producing tetrafluoromethane
US-11220471-B2 · Jan 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C17/204?
- CPC C07C17/204 is the Cooperative Patent Classification code for “the other compound being a halogen.”
- How many patents are filed under CPC C07C17/204 (the other compound being a halogen)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C07C17/204 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).