Method for purifying fluid that includes trifluoroethylene, and method for producing trifluoroethylene
US-2016347693-A1 · Dec 1, 2016 · US
by dehalogenation
by dehalogenation · 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 | C07C17/23 |
| Official title | by dehalogenation |
| Display label | by dehalogenation |
| Total patents | 263 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 33 |
| 2017 | 25 |
| 2018 | 25 |
| 2019 | 29 |
| 2020 | 26 |
| 2021 | 24 |
| 2022 | 15 |
| 2023 | 14 |
| 2024 | 20 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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-9486657-B2 · Nov 8, 2016 · US
Process for the synthesis of trifluoroethylene
US-2016303543-A1 · Oct 20, 2016 · US
Process for the manufacture of fluorinated olefins
US-2016304421-A1 · Oct 20, 2016 · US
Benzocyclobutane(thio) carboxamides
US-2016264529-A1 · Sep 15, 2016 · US
Method for producing fluorine-containing alkane
US-9428429-B2 · Aug 30, 2016 · US
Method for mitigating HFC-245cb formation during HCFO-1233xf hydrofluorination to HCFC-244bb
US-9399609-B2 · Jul 26, 2016 · US
Method for producing 1,3,3,3-tetrafluoropropene
US-9359274-B2 · Jun 7, 2016 · US
Process for synthesis of fluorinated olefins
US-2016145176-A1 · May 26, 2016 · US
Integrated process to coproduce trans-1-chloro-3,3,3-trifluoropropene, trans-1,3,3,3-tetrafluoropropene, and 1,1,1,3,3-pentafluoropropane
US-9334207-B2 · May 10, 2016 · US
Process for Purifying (Hydro)Fluoroalkenes
US-2016115105-A1 · Apr 28, 2016 · US
Process for purifying (hydro)fluoroalkenes
US-9309176-B2 · Apr 12, 2016 · US
Process for the manufacture of fluorinated olefins
US-9302963-B2 · Apr 5, 2016 · US
Process for the manufacture of 2,3,3,3-tetrafluoropropene
US-9296670-B2 · Mar 29, 2016 · US
Integrated process for the production of 1-chloro-3,3,3-trifluoropropene
US-2016083316-A1 · Mar 24, 2016 · US
Process for producing chlorotrifluoroethylene
US-2016068455-A1 · Mar 10, 2016 · US
Stable compositions of trifluoroethylene
US-9266800-B2 · Feb 23, 2016 · US
Process for the Preparation of 2,3,3,3-Tetrafluoropropene
US-2016023969-A1 · Jan 28, 2016 · US
Process for Preparing C3-6 (Hydro)Fluoroalkenes by Dehydrohalogenating C3-6 Halo(Hydro)Fluoroalkanes in the Presence of a Zinc/Chromia Catalyst
US-2016023971-A1 · Jan 28, 2016 · US
Process to manufacture 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb)
US-9242910-B2 · Jan 26, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C17/23?
- CPC C07C17/23 is the Cooperative Patent Classification code for “by dehalogenation.”
- How many patents are filed under CPC C07C17/23 (by dehalogenation)?
- Our database includes 263 publications tagged with this CPC code.
- Is patent activity under CPC C07C17/23 growing?
- Publication counts under this code: 20 in 2024 vs 12 in 2025 (latest complete years).