METHOD FOR PRODUCING trans-1,2-DIFLUOROETHYLENE (HFO-1132E)
US-2026062365-A1 · Mar 5, 2026 · US
Preparation of halogenated hydrocarbons
Preparation of 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 | C07C17/00 |
| Official title | Preparation of halogenated hydrocarbons |
| Display label | Preparation of halogenated hydrocarbons |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes to produce poly alpha-olefin trimer and apparatus therefor
US-12486346-B2 · Dec 2, 2025 · US
Growth inhibitor for forming thin film, method for forming thin film and semiconductor substrate prepared therefrom
US-12448685-B2 · Oct 21, 2025 · US
Method for producing chlorotrifluoroethylene and trifluoroethylene
US-2025206688-A1 · Jun 26, 2025 · US
Growth inhibitor for forming thin film, method for forming thin film and semiconductor substrate prepared therefrom
US-2025075320-A1 · Mar 6, 2025 · US
Growth inhibitor for forming thin film, method for forming thin film and semiconductor substrate prepared therefrom
US-2025034705-A1 · Jan 30, 2025 · US
1,2,3,3,3-pentafluropropene production processes
US-2024425741-A1 · Dec 26, 2024 · US
Catalyst systems and processes for poly alpha-olefin having high vinylidene content
US-12162968-B2 · Dec 10, 2024 · US
1,2,3,3,3-pentafluropropene production processes
US-12110444-B2 · Oct 8, 2024 · US
Onium salt monomer, polymer, chemically amplified resist composition and patterning process
US-2024329527-A1 · Oct 3, 2024 · US
Processes to produce poly alpha-olefin trimer and apparatus therefor
US-2024287225-A1 · Aug 29, 2024 · US
1,2,3,3,3-pentafluropropene production processes
US-2024076536-A1 · Mar 7, 2024 · US
1,2,3,3,3-pentafluropropene production processes
US-11912923-B2 · Feb 27, 2024 · US
1,2,3,3,3-pentafluropropene production processes
US-2023313012-A1 · Oct 5, 2023 · US
Catalyst Systems and Processes for Poly Alpha-Olefin Having High Vinylidene Content
US-2023303738-A1 · Sep 28, 2023 · US
1,2,3,3,3-pentafluropropene production processes
US-11708516-B2 · Jul 25, 2023 · US
Catalyst systems and processes for poly alpha-olefin having high vinylidene content
US-11680121-B2 · Jun 20, 2023 · US
Method of preparing trisubstituted ethylene compounds
US-11332426-B2 · May 17, 2022 · US
Catalyst Systems and Processes for Poly Alpha-Olefin Having High Vinylidene Content
US-2022106422-A1 · Apr 7, 2022 · US
Growth inhibitor for forming thin film, method for forming thin film and semiconductor substrate prepared therefrom
US-2022049351-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C17/00?
- CPC C07C17/00 is the Cooperative Patent Classification code for “Preparation of halogenated hydrocarbons.”
- How many patents are filed under CPC C07C17/00 (Preparation of halogenated hydrocarbons)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C07C17/00 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).