Minimizing corrosion in pre-plasma abatement systems
US-2026084103-A1 · Mar 26, 2026 · US
Fluorine
Fluorine · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D2257/2027 |
| Official title | Fluorine |
| Display label | Fluorine |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for process chemistry abatement and recycling
US-2026021440-A1 · Jan 22, 2026 · US
Fluorinated gas abatement and fluoride sequestration using silicon
US-2025345747-A1 · Nov 13, 2025 · US
Chemical separation for fluorine recirculation
US-2025325940-A1 · Oct 23, 2025 · US
Gas treatment system and gas treatment method using the same
US-12400879-B2 · Aug 26, 2025 · US
Flexible fuel system for combustion abatement
US-12076692-B1 · Sep 3, 2024 · US
Scrubber system
US-2024165559-A1 · May 23, 2024 · US
Gas management system
US-11949203-B2 · Apr 2, 2024 · US
Waste gas abatement technology for semiconductor processing
US-11931682-B2 · Mar 19, 2024 · US
Method for removing halogen fluoride, quantitative analysis method for gas component contained in halogen fluoride mixed gas, and quantitative analyzer
US-11779877-B2 · Oct 10, 2023 · US
Gas treatment system and gas treatment method using the same
US-2023274952-A1 · Aug 31, 2023 · US
Regeneration vessel adsorption zone and process for adsorbing halogen-containing material and sampling catalyst
US-11724240-B2 · Aug 15, 2023 · US
Abatement apparatus for exhaust gas
US-2023201765-A1 · Jun 29, 2023 · US
Use of a transition metal oxide for removing fluorinated by-products from a gas, device and method for removing such by-products
US-2023015784-A1 · Jan 19, 2023 · US
Regeneration vessel adsorption zone and process for adsorbing halogen-containing material and sampling catalyst
US-2022203319-A1 · Jun 30, 2022 · US
Method for preparing lithium bis(fluorosulphonyl)imide salt
US-11261087-B2 · Mar 1, 2022 · US
Method for removing halogen fluoride, quantitative analysis method for gas component contained in halogen fluoride mixed gas, and quantitative analyzer
US-2022054972-A1 · Feb 24, 2022 · US
Gas laser apparatus
US-11081850-B2 · Aug 3, 2021 · US
Method for treating exhaust gas containing elemental fluorine
US-2021162341-A1 · Jun 3, 2021 · US
Method for preparing lithium bis(fluorosulphonyl)imide salt
US-2021122634-A1 · Apr 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2257/2027?
- CPC B01D2257/2027 is the Cooperative Patent Classification code for “Fluorine.”
- How many patents are filed under CPC B01D2257/2027 (Fluorine)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC B01D2257/2027 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).