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CPC
C02F2101/00
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Parent Industries
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CHEMISTRY METALLURGY
C02
Water treatment
C02F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Current Industry
C02F2101/00
Nature of the contaminant
Sub Industries
C02F2101/003
Explosive compounds
C02F2101/006
Radioactive compounds
C02F2101/10
Inorganic compounds
C02F2101/101
Sulfur compounds
C02F2101/103
Arsenic compounds
C02F2101/105
Phosphorus compounds
C02F2101/106
Selenium compounds
C02F2101/108
Boron compounds
C02F2101/12
Halogens or halogen-containing compounds
C02F2101/14
Fluorine or fluorine-containing compounds
C02F2101/16
Nitrogen compounds
C02F2101/163
Nitrates
C02F2101/166
Nitrites
C02F2101/18
Cyanides
C02F2101/20
Heavy metals or heavy metal compounds
C02F2101/203
Iron or iron compound
C02F2101/206
Manganese or manganese compounds
C02F2101/22
Chromium or chromium compounds
C02F2101/30
Organic compounds
C02F2101/301
Detergents, surfactants
C02F2101/303
Complexing agents
C02F2101/305
Endocrine disruptive agents
C02F2101/306
Pesticides
C02F2101/308
Dyes; Colorants; Fluorescent agents
C02F2101/32
Hydrocarbons
C02F2101/322
Volatile compounds
C02F2101/325
Emulsions
C02F2101/327
Polyaromatic Hydrocarbons [PAH's]
C02F2101/34
containing oxygen
C02F2101/345
Phenols
C02F2101/36
containing halogen
C02F2101/363
PCB's; PCP's
C02F2101/366
Dioxine; Furan
C02F2101/38
containing nitrogen
C02F2101/40
containing sulfur
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Patents Grants
last 30 patents
Information
Patent Grant
Imidazolium ionic liquids made using cardanol extracted from cashew...
Patent number
12,226,751
Issue date
Feb 18, 2025
King Saud University
Ayman M. Atta
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Gas turbine facility and method for suppressing discharge of ammoni...
Patent number
12,228,059
Issue date
Feb 18, 2025
Mitsubishi Heavy Industries, Ltd.
Hiromi Ishii
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cerium-lanthanum treatment method for reduction of contaminants in...
Patent number
12,227,440
Issue date
Feb 18, 2025
Neo Water Treatment, LLC
Pamela Leigh Cornish
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Treatment of saline water for agricultural and potable use
Patent number
12,227,442
Issue date
Feb 18, 2025
Evoqua Water Technologies LLC
Gary C. Ganzi
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for cleaning up oil spills using multi-layered carbon fiber-...
Patent number
12,227,436
Issue date
Feb 18, 2025
Mohammad Nezar H Khdary
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems to treat PFAS and other persistent organic compounds and ox...
Patent number
12,227,439
Issue date
Feb 18, 2025
Yost Brothers, LLC
Karl William Yost
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Humic and fulvic black water based beverage for human consumption
Patent number
12,227,434
Issue date
Feb 18, 2025
Louise Wilkie
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Mineral recovery enhanced desalination (MRED) process for desalinat...
Patent number
12,227,441
Issue date
Feb 18, 2025
UNM Rainforest Innovations
Bruce Thomson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Nanonets for removal of contaminants from aqueous solutions, kits t...
Patent number
12,226,750
Issue date
Feb 18, 2025
CARBONET NANOTECHNOLOGIES INC.
Michael Carlson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sump pump system and methods for removing synthetic ester-based flu...
Patent number
12,226,712
Issue date
Feb 18, 2025
Solidification Products International, Inc.
William J. Gannon
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Treated geothermal brine compositions with reduced concentrations o...
Patent number
12,221,671
Issue date
Feb 11, 2025
TERRALITHIUM LLC
Stephen Harrison
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Quaternary ammonium group-grafted cation resin and preparation meth...
Patent number
12,221,503
Issue date
Feb 11, 2025
Zhejiang University
Xueming Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Laser ablation and filtration apparatus and process for removal of...
Patent number
12,221,362
Issue date
Feb 11, 2025
Bartosz A. Dajnowski
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems and methods for producing ultrapure water for semiconductor...
Patent number
12,221,371
Issue date
Feb 11, 2025
Taiwan Semiconductor Manufacturing Company, Ltd
En Tian Lin
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for recycling copper-containing wastewater from micro-etching
Patent number
12,221,366
Issue date
Feb 11, 2025
Central South University
Chenyang Zhang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
In situ oil cleanup and recovery using smart polymer integrated sur...
Patent number
12,221,363
Issue date
Feb 11, 2025
The Trustees of the Stevens Institute of Technology
Eui-Hyeok Yang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method and apparatus for nutrient removal using anoxic biofilms
Patent number
12,221,369
Issue date
Feb 11, 2025
Hampton Roads Sanitation District
Charles Bott
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sequestering agents, kits therefor, and methods of using sequesteri...
Patent number
12,221,535
Issue date
Feb 11, 2025
CARBONET NANOTECHNOLOGIES INC.
Michael Carlson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composite aggregate particles, adsorbent using same, molded body an...
Patent number
12,220,682
Issue date
Feb 11, 2025
Kuraray Co., Ltd.
Shuji Kawasaki
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Device and method for enhancing nitrogen and phosphorus removal bas...
Patent number
12,221,370
Issue date
Feb 11, 2025
Beijing University of Technology
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for producing zero-valent metals in filtering media
Patent number
12,220,745
Issue date
Feb 11, 2025
Politecnico Di Torino
Rajandrea Sethi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Lithium purification and conversion
Patent number
12,215,035
Issue date
Feb 4, 2025
Schlumberger Technology Corporation
Dominic Perroni
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Compositions and methods for remediating hydrogen sulfide in hydroc...
Patent number
12,215,284
Issue date
Feb 4, 2025
GAPS Technology, LLC.
Cliffton Lee Roe
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System for removal of phosphorus and nitrogen from water
Patent number
12,215,044
Issue date
Feb 4, 2025
NuQuatic, LLC
Carlos Borras
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Thermal management system with sublimator and adsorbent bed
Patent number
12,213,909
Issue date
Feb 4, 2025
Hamilton Sundstrand Corporation
John W. Steele
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wastewater purification method
Patent number
12,215,042
Issue date
Feb 4, 2025
LG Chem, Ltd.
Suk Yung Oh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System and method for treatment of wastewater fluids
Patent number
12,215,045
Issue date
Feb 4, 2025
WADIS LTD.
Oren Gafri
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Composition, system and method for removal of detergents from aqueo...
Patent number
12,214,299
Issue date
Feb 4, 2025
DNA Genotek Inc.
Hyman Chaim Birnboim
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Imidazolium ionic liquids made using cardanol extracted from cashew...
Patent number
12,208,370
Issue date
Jan 28, 2025
King Saud University
Ayman M. Atta
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Imidazolium ionic liquids made using cardanol extracted from cashew...
Patent number
12,208,371
Issue date
Jan 28, 2025
King Saud University
Ayman M. Atta
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR RECOVERY OF FERTILIZER BUILDING BLOCKS FROM W...
Publication number
20250059076
Publication date
Feb 20, 2025
Km Prottoy Shariar Piash
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
MODIFIED MULTI-WALLED CARBON NANOTUBES INCLUDING MULTI-WALLED CARBO...
Publication number
20250059048
Publication date
Feb 20, 2025
Saudi Arabian Oil Company
Tawfik A. Saleh
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PFAS REMOVAL AND DESTRUCTION USING BIOREACTORS FOLLOWED BY SUPERCRI...
Publication number
20250059077
Publication date
Feb 20, 2025
Evoqua Water Technologies LLC
Thomas Kenneth Mallmann
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PUR...
Publication number
20250058282
Publication date
Feb 20, 2025
Baxter International Inc.
Peter SENDELIUS
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PHOTOCATALYTIC SELF-CLEANING POLYPYRROLE/TiO2-PVDF NANOCOMPOSITE BA...
Publication number
20250058285
Publication date
Feb 20, 2025
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Umair BAIG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
MINERALIZED IRON-CARBON COMPOSITE MATERIAL, PREPARATION METHOD THER...
Publication number
20250059061
Publication date
Feb 20, 2025
BCEG ENVIRONMENT REMEDIATION CO., LTD
Shupeng LI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
AMMONIA AND NUTRIENT ION RECOVERY FROM MANURE WASTEWATER AND ELECTR...
Publication number
20250059070
Publication date
Feb 20, 2025
Wisconsin Alumni Research Foundation
Song Jin
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Regulation of Onsite Peroxide Generation for Improved Peroxone Adva...
Publication number
20250059071
Publication date
Feb 20, 2025
Evoqua Water Technologies LLC
Joshua Griffis
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
In-Situ Acid Neutralization And Carbon Mineralization
Publication number
20250059073
Publication date
Feb 20, 2025
Ebb Carbon, Inc.
Guenther Glatz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Concentric Sloping Plate Enhanced Vertical Compact Flotation Unit
Publication number
20250058250
Publication date
Feb 20, 2025
Beijing Institute of Petrochemical Technology
Guodong Ding
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Vertical Compact Flotation Unit with Air Stripping Enhanced Shallow...
Publication number
20250059069
Publication date
Feb 20, 2025
Beijing Institute of Petrochemical Technology
Jiaqing Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
ZAVARZINIA COMPRANSORIS CAPABLE OF DEGRADING ORGANOPHOSPHORUS FLAME...
Publication number
20250051716
Publication date
Feb 13, 2025
GUANGDONG UNIVERSITY OF TECHNOLOGY
Jukun XIONG
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
REACTION AND SEPARATION APPARATUS
Publication number
20250050243
Publication date
Feb 13, 2025
BIOLY LIMITED
Billy Tyler BOOTLE-TOPLEY
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
HYDROGEL NANOBEADS FOR ADSORPTION OF POLLUTANTS FROM WASTEWATER
Publication number
20250051187
Publication date
Feb 13, 2025
Javed ALAM
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
APPARATUS AND METHOD FOR SEPARATING PARTICLES FROM WASTE FLUID USIN...
Publication number
20250051186
Publication date
Feb 13, 2025
DHI - DALBO HOLDINGS, INC. & SUBSIDIARIES
Gary J. COATES
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR REDUCING A CONTENT OF FORMALDEHYDE IN AN AQUEOUS MEDIUM
Publication number
20250051185
Publication date
Feb 13, 2025
Dürr Systems AG
Christian EICHHORN
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
REGENERABLE SMART MATERIALS FOR SELECTIVE REMOVAL OF POLLUTANTS FRO...
Publication number
20250051189
Publication date
Feb 13, 2025
EXPOSOME PVT. LTD.
Prerna Goradia
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS AND SYSTEMS FOR REMOVING CONTAMINANTS AND NUTRIENTS FROM A...
Publication number
20250051195
Publication date
Feb 13, 2025
University of Vermont and State Agricultural College
Appala Raju Badireddy
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
HYDROGEL NANOBEADS FOR ADSORPTION OF POLLUTANTS FROM WASTEWATER
Publication number
20250051188
Publication date
Feb 13, 2025
Javed ALAM
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
APPARATUSES AND METHODS FOR TREATING, PURIFYING AND/OR EXTRACTING F...
Publication number
20250051193
Publication date
Feb 13, 2025
FisherH2O, LLC
David Keith FISHER
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Nickel-Iron-Based Alloys for Electrochemical Reduction of Selenium...
Publication number
20250051194
Publication date
Feb 13, 2025
The Regents of the University of California
Wei Tong
B82 - NANO-TECHNOLOGY
Information
Patent Application
MODIFIED MEMBRANE BIOREACTOR(MBR) SYSTEM AND METHOD FOR REMOVING PE...
Publication number
20250051204
Publication date
Feb 13, 2025
Emerging Compounds Treatment Technologies, Inc.
Paul Rodriguez
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FILTER
Publication number
20250051206
Publication date
Feb 13, 2025
Origin by Ocean
Ari Ruuskanen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
AQUAPONIC SYSTEM SET PPLYING FILTRATION WITH REVERSE OSMOSIS MEMBRANE
Publication number
20250049004
Publication date
Feb 13, 2025
Edgar Antonio RODRIGUEZ MARQUEZ
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SEPARATION MEDIA, DEVICES AND APPLICATIONS THEREOF
Publication number
20250050324
Publication date
Feb 13, 2025
The University of North Carolina at Charlotte
Jordan POLER
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
POLYMERS COMPRISING GLYCOLIPIDS AND METHODS FOR PRODUCING AND USING...
Publication number
20250051526
Publication date
Feb 13, 2025
Arizona Board of Regents on behalf of The University of Arizona
Douglas A. Loy
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
ZINC OXIDE NANOFLOWERS CONTAMINANT ADSORPTION METHOD
Publication number
20250042759
Publication date
Feb 6, 2025
Imam Abdulrahman Bin Faisal University
Faiza QURESHI
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
MANGANESE CARBONATE-SUPPORTED FERRIHYDRITE MATERIAL, AND PREPARATIO...
Publication number
20250042793
Publication date
Feb 6, 2025
QINGDAO UNIVERSITY OF TECHNOLOGY
Huawei WANG
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
AMMONIA-CONTAINING WASTEWATER TREATMENT METHOD AND APPARATUS THEREOF
Publication number
20250042788
Publication date
Feb 6, 2025
HAN-LIN LIN
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FUNCTIONALIZED CYCLODEXTRIN MONOMER AND POLYMER FOR WATER REMEDIATION
Publication number
20250043032
Publication date
Feb 6, 2025
Northwestern University
William Robert Dichtel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...