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
having two carbon atoms
having two carbon 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 | C07C19/12 |
| Official title | having two carbon atoms |
| Display label | having two carbon atoms |
| Total patents | 68 |
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 | 1 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Azeotrope and azeotrope-like compositions of 1-chloro-1,2-difluoroethane (hcfc-142a) and 1,1,2-trichloro-1,2,2-trifluoroethane (cfc-113) and applications thereof
US-2024376362-A1 · Nov 14, 2024 · US
Process for the production of 1,1-difluoroethane
US-2024059635-A1 · Feb 22, 2024 · US
Azeotropic or azeotropic-like composition comprising hydrogen fluoride and 1,1,2-trifluoroethane, 1-chloro-2,2-difluoroethane, or 1,2-dichloro-1-fluoroethane
US-2024050792-A1 · Feb 15, 2024 · US
Azeotropic or azeotropic-like composition comprising hydrogen fluoride and 1,1,2-trifluoroethane, 1-chloro-2,2-difluoroethane, or 1,2-dichloro-1-fluoroethane
US-11826596-B2 · Nov 28, 2023 · US
Refrigerant-containing composition, use thereof, refrigerator having said composition, and operating method for refrigerator
US-2023272255-A1 · Aug 31, 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-2023250326-A1 · Aug 10, 2023 · US
Production method for fluoro-ethane and production method for fluoro-olefin
US-11691935-B2 · Jul 4, 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 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
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
Azeotropic or azeotropic-like composition comprising hydrogen fluoride and 1,1,2-trifluoroethane, 1-chloro-2,2-difluoroethane, or 1,2-dichloro-1-fluoroethane
US-2022023693-A1 · Jan 27, 2022 · US
Azeotropic or azeotrope-like composition containing trifluoroethylene
US-2022009861-A1 · Jan 13, 2022 · US
Compositions and methods for the purification of CFC-113 by adsorption
US-11192842-B2 · Dec 7, 2021 · US
Azeotropic or azeotropic-like composition comprising 2-chloro-1,1-difluoroethane
US-2021340084-A1 · Nov 4, 2021 · US
Composition comprising 1-chloro-2,2-difluoroethane and 1,1-dichloroethylene
US-2021309594-A1 · Oct 7, 2021 · 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-2021301188-A1 · Sep 30, 2021 · US
Compositions and methods for the purification of cfc-113 by adsorption
US-2021147324-A1 · May 20, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C19/12?
- CPC C07C19/12 is the Cooperative Patent Classification code for “having two carbon atoms.”
- How many patents are filed under CPC C07C19/12 (having two carbon atoms)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC C07C19/12 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).