Method for producing 1,1,1-trifluoro-2,2-bisarylethane, and 1,1,1-trifluoro-2,2-bisarylethane
US-12435185-B2 · Oct 7, 2025 · US
by introduction of halogenated alkyl groups into ring compounds
by introduction of halogenated alkyl groups into ring compounds · 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 | C07C17/32 |
| Official title | by introduction of halogenated alkyl groups into ring compounds |
| Display label | by introduction of halogenated alkyl groups into ring compounds |
| Total patents | 43 |
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 | 6 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyamide acid, polyimide, optical film, display device and production methods thereof
US-12351685-B2 · Jul 8, 2025 · US
Method for producing anion exchange resin and method for producing electrolyte membrane
US-2023312813-A1 · Oct 5, 2023 · US
Difluoromethyl iodo compounds and methods
US-2023159416-A1 · May 25, 2023 · US
Complexes
US-11649258-B2 · May 16, 2023 · US
Method for producing difluoromethylene compound
US-11377407-B2 · Jul 5, 2022 · US
Polyamide Acid, Polyimide, Optical Film, Display Device and Production Methods Thereof
US-2022119595-A1 · Apr 21, 2022 · US
Method for Producing 1,1,1-Trifluoro-2,2-Bisarylethane, and 1,1,1-Trifluoro-2,2-Bisarylethane
US-2022106444-A1 · Apr 7, 2022 · US
Method for producing difluoromethylene compound
US-2021363077-A1 · Nov 25, 2021 · US
Method for producing fullerene derivative
US-11136298-B2 · Oct 5, 2021 · US
Diamondoid fuels
US-11118124-B1 · Sep 14, 2021 · US
Catalyst-free and redox-neutral innate trifluoromethylation and alkylation of (hetero)aromatics enabled by light
US-11098036-B2 · Aug 24, 2021 · US
Complexes
US-2021163516-A1 · Jun 3, 2021 · US
Method for preparation of alkylated or fluoro, chloro and fluorochloro alkylated compounds by heterogeneous cobalt catalysis
US-10968187-B2 · Apr 6, 2021 · US
Syntheses of allyl phosphine complexes of palladium
US-10968244-B2 · Apr 6, 2021 · US
Radiolabeling agents, methods of making, and methods of use thereof
US-2021032184-A1 · Feb 4, 2021 · US
Allyl phosphine complexes of palladium and their use in catalysis
US-10858382-B2 · Dec 8, 2020 · US
Catalyst-free and redox-neutral innate trifluoromethylation and alkylation of (hetero)aromatics enabled by light
US-2020216430-A1 · Jul 9, 2020 · US
Method for Preparation of Alkylated or Fluoro, Chloro and Fluorochloro Alkylated Compounds by Heterogeneous Cobalt Catalysis
US-2020157063-A1 · May 21, 2020 · US
Method for producing fullerene derivative
US-2020095209-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C17/32?
- CPC C07C17/32 is the Cooperative Patent Classification code for “by introduction of halogenated alkyl groups into ring compounds.”
- How many patents are filed under CPC C07C17/32 (by introduction of halogenated alkyl groups into ring compounds)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C07C17/32 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).