Method for producing fluorine gas
US-12358796-B2 · Jul 15, 2025 · US
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Fluorine
Fluorine · 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 | C01B7/20 |
| Official title | Fluorine |
| Display label | Fluorine |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Portable fluorine generator for on-site calibration
US-2024367971-A1 · Nov 7, 2024 · US
Portable fluorine generator for on-site calibration
US-12065359-B2 · Aug 20, 2024 · US
Method for efficiently removing fluorine from spent lithium battery
US-2024158887-A1 · May 16, 2024 · US
Method for recycling spent carbon cathode of aluminum electrolysis
US-11697594-B2 · Jul 11, 2023 · US
Method for recycling spent carbon cathode of aluminum electrolysis
US-2023120820-A1 · Apr 20, 2023 · US
Portable fluorine generator for on-site calibration
US-2022332575-A1 · Oct 20, 2022 · US
Method for producing fluorine gas
US-2022234890-A1 · Jul 28, 2022 · US
Two phase shell formation on metal nanostructures
US-11228026-B2 · Jan 18, 2022 · US
Laser gas regeneration system and laser system
US-10879664-B2 · Dec 29, 2020 · US
Two phase shell formation on metal nanostructures
US-2019393490-A1 · Dec 26, 2019 · US
Laser gas regeneration system and laser system
US-2019237928-A1 · Aug 1, 2019 · US
Phosphorous trifluoride co-gas for carbon implants
US-10256069-B2 · Apr 9, 2019 · US
Method for Purifying Fluorine Gas
US-2019047858-A1 · Feb 14, 2019 · US
Phosphorous trifluoride co-gas for carbon implants
US-2018144904-A1 · May 24, 2018 · US
High dose implantation strip (HDIS) in H2 base chemistry
US-9941108-B2 · Apr 10, 2018 · US
Method for treating lead anode slime
US-9650695-B2 · May 16, 2017 · US
Cathode active material
US-9466835-B2 · Oct 11, 2016 · US
Method for treating lead anode slime
US-2016281193-A1 · Sep 29, 2016 · US
Fluorine gas generator
US-9194050-B2 · Nov 24, 2015 · US