ClassID:

86290

C02F1/583 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds

Recent Application in this class:
#1
20260078030
2026-03-19

SYSTEM AND METHOD FOR PFAS-CONTAMINATED WATER TREATMENT

#2
20260035270
2026-02-05

SYSTEMS AND METHODS FOR DEGRADING PER- AND POLY-FLUOROALKYL SUBSTANCES

#3
20250313497
2025-10-09

High Protein Organic Materials as Fuel and Processes for Making the Same

#4
20250282660
2025-09-11

SYSTEMS AND METHODS OF REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) WITH CALCIUM OXIDE

#5
20250270124
2025-08-28

SYSTEM AND PROCESS FOR TURNING WASTE STREAMS INTO ELECTRICAL POWER

#6
20250270123
2025-08-28

System and Process for Remediating PFAS From Waste Streams

#7
20250122106
2025-04-17

CHEMICAL REDUCTION PROCESS OF PFAS CONTAINED IN WATER

#8
20250115499
2025-04-10

ADVANCED DEFLUORINATION AGENT AND METHOD FOR REMOVING FLUORIDE IONS IN FLUORIDE-CONTAINING WASTEWATER

#9
20250115498
2025-04-10

TWO-STAGE SYSTEM AND METHOD FOR TREATING FLUORIDE-CONTAINING WASTEWATER

#10
20250091907
2025-03-20

APPARATUS AND PROCESS FOR REMOVING PFAS AND PFAS COMPOUNDS FROM WATER

#11
20250083978
2025-03-13

Destruction of PFAS Via an Oxidation Process and Apparatus Suitable for Transportation to Contaminated Sites

#12
20250026664
2025-01-23

SYSTEMS AND METHODS OF REMOVING HALOGENATED COMPOUNDS FROM A CONTAMINATED SOURCE

#13
20240400424
2024-12-05

SYSTEMS AND METHODS FOR TREATMENT OF CONTAMINATED FOAM STREAMS USING REACTIVE METAL OXIDES

#14
20240391794
2024-11-28

Geopolymer Compositions and Systems and Methods Thereof for Sequestering and Removing Chemical Species From Water

#15
20240382930
2024-11-21

POLYINDOLE-MONTMORILLONITE COMPLEX AND PREPARATION METHOD AND APPLICATION THEREOF

#16
20240375981
2024-11-14

METHOD AND APPARATUS FOR PROCESSING LIQUID WASTE STREAMS

#17
20240343619
2024-10-17

PROCESSING SYSTEM, AND PROCESSING METHOD

#18
20240262717
2024-08-08

Apparatus and process for removing PFAS and PFAS compounds from water

#19
20240190746
2024-06-13

MODULARIZED FLUORIDE-CONTAINING WASTEWATER TREATING APPARATUS

#20
20230227336
2023-07-20

Destruction of PFAS via an oxidation process and apparatus suitable for transportation to contaminated sites

#21
20230227335
2023-07-20

Destruction of PFAS via an oxidation process and apparatus suitable for transportation to contaminated sites

#22
20230167055
2023-06-01

Synthesis method of indole derivative capable of efficiently degrading perfluorinated compound (PFC)

#23
20230110561
2023-04-13

Method and apparatus to separate per-and polyfluoroalkyl substances (PFAS) from water using colloidal gas aphrons (CGAs)

#24
20230089418
2023-03-23

Composition and method for capture and degradation of PFAS

#25
20230063935
2023-03-02

Method and Apparatus to Separate Per-and Polyfluoroalkyl Substances (PFAS) from Water Using Colloidal Gas Aphrons (CGAs)

#26
20230027521
2023-01-26

CONTAMINANT-SEQUESTERING COATINGS AND METHODS OF USING THE SAME

#27
20220371920
2022-11-24

SYSTEMS AND METHODS FOR DEGRADING PER- AND POLY-FLUOROALKYL SUBSTANCES

#28
20220252536
2022-08-11

Fluidic impedance platform for in-situ detection and quantification of PFAS in groundwater

#29
20220227644
2022-07-21

Systems and methods of removing per- and polyfluoroalkyl substances (PFAS) with calcium oxide

#30
20220126270
2022-04-28

Capture of fluorinated carbon compounds

#31
20210206673
2021-07-08

SOIL AND WATER REMEDIATION METHOD AND APPARATUS FOR TREATMENT OF RECALCITRANT HALOGENATED SUBSTANCES

#32
20210070637
2021-03-11

Method of treating wastewater

#33
20210009449
2021-01-14

Treatment of polluted aqueous liquids

#34
20200369536
2020-11-26

Composition and method for capture and degradation of PFAS

#35
20200206793
2020-07-02

Sintered wave multi-media polarity conversion treatment apparatus and process for nondestructive removal and condensation of per- and polyfluoroalkyl substances (PFAS) and other dangerous compounds

#36
20200148565
2020-05-14

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#37
20200062622
2020-02-27

AN AIR TREATMENT SYSTEM

#38
20190276342
2019-09-12

Treatment method and treatment apparatus for waste water containing sulfuric acid, fluorine and heavy metal ions

#39
20190210900
2019-07-11

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#40
20180319685
2018-11-08

Soil and water remediation method and apparatus for treatment of recalcitrant halogenated substances

#41
20180200709
2018-07-19

Aluminum-doped, iminoacetic acid group-containing chelate resins

#42
20160046506
2016-02-18

Method for removing fluorinated organic compounds from contaminated fluids, and adsorbent component and adsorbent kit used therefor

#43
20140231359
2014-08-21

Treatment of phosphate-containing wastewater with fluorosilicate and phosphate recovery

#44
20140161714
2014-06-12

Process for recovery of fluoride from wastewater produced in crystalline silicon solar cell manufacturing

#45
20120288435
2012-11-15

Fluorine recovering apparatus and method for recovering fluorine

#46
20060049118
2006-03-09

Method of disinfection in water treatment

#47
20050173347
2005-08-11

Removal of fluorinated surfactants from waste water

#48
20050004410
2005-01-06

Method of treating fluorine compounds and treated substance

#49
17730341
2022-10-25

Ground water contamination remediation using a man-made surface water feature