ClassID:

86673

C02F2305/14 - CPC Classification

Classification description:

Use of specific compounds during water treatment Additives which dissolves or releases substances when predefined environmental conditions are reached, e.g. pH or temperature

Recent Application in this class:
#1
20260070823
2026-03-12

METHOD FOR REDUCING TOXICITY OF WASTEWATER

#2
20260049007
2026-02-19

Grinding Wastewater Pretreatment Method

#3
20250289738
2025-09-18

LIQUID PODS FOR RECIRCULATING WATER SYSTEMS

#4
20250206644
2025-06-26

METHOD FOR NITROGEN REMOVAL WASTEWATER

#5
20250115496
2025-04-10

METHODS FOR TREATING PRODUCED WATERS

#6
20250100915
2025-03-27

PROCESS FOR CONTROLLING CYANOBACTERIA

#7
20240383786
2024-11-21

GRANULATION-PROMOTING MICROCARRIER FOR ANAEROBIC AMMONIUM OXIDATION (ANAMMOX) PROCESS, AND PREPARATION AND USE METHOD THEREOF

#8
20240368010
2024-11-07

Method and System for Water Treatment

#9
20240368001
2024-11-07

SALT RECOVERY SOLUTION AND PROCESSES OF USE THEREOF

#10
20230257284
2023-08-17

Salt recovery solution and processes of use thereof

#11
20220402782
2022-12-22

Water management system

#12
20220356101
2022-11-10

HIGH SALINITY WATER PURIFICATION PROCESSES AND SYSTEMS

#13
20220356089
2022-11-10

Liquid pods for recirculating water systems

#14
20220332601
2022-10-20

Highway sponge-type composite side ditch carbon neutralization system and method thereof

#15
20220098064
2022-03-31

Waste liquid treatment composition and waste liquid treatment method

#16
20210246052
2021-08-12

Multilayered electrolyte compositions and methods for their preparation and use

#17
20210230020
2021-07-29

Desalting apparatus using solvent and the method thereof

#18
20210147266
2021-05-20

Method for increasing the magnesium ion concentration in feed water

#19
20210032126
2021-02-04

Method for processing metallurgical waste acid

#20
20200308023
2020-10-01

SALT RECOVERY SOLUTION AND PROCESSES OF USE THEREOF

#21
20200180989
2020-06-11

High salinity water purification processes and systems

#22
20200108331
2020-04-09

Systems and methods for recovering amines and their derivatives from aqueous mixtures

#23
20200079673
2020-03-12

Methods and systems for calcite removal using polysuccinimide

#24
20190337816
2019-11-07

Method and arrangement for recovery of salt

#25
20190284068
2019-09-19

Acid mine drainage treatment

#26
20190256388
2019-08-22

Process for removing silica from produced water and other wastewater streams

#27
20180079656
2018-03-22

Method and device for the hydrolysis of liquid, organic substrates

#28
20180065872
2018-03-08

Time-release tablet and methods

#29
20180002204
2018-01-04

Device for Improving the Chemical and Physical Properties of Water and Methods of Using Same

#30
20170292060
2017-10-12

Well treatment material for slow release of biocide

#31
20160354727
2016-12-08

Composition, system, and method for treating water systems

#32
20160031724
2016-02-04

Systems, devices, and methods of water filtration

#33
20150266069
2015-09-24

Dispersible, reactive contaminant capping material

#34
20150059441
2015-03-05

Absorbent/solubilizing materials based on microporous organogels

#35
20150001159
2015-01-01

Phosphate recovery from wastewater

#36
20140338915
2014-11-20

Particles containing one or more controlled release cross-linked active agents

#37
20140302570
2014-10-09

Method and system for processing a biomass for producing biofuels and other products

#38
20140221208
2014-08-07

CONTROLLED RELEASE COPPER SULFATE FOR PHYTOPLANKTON CONTROL

#39
20140138321
2014-05-22

Water softening device

#40
20140076810
2014-03-20

Systems and methods for use of water with switchable ionic strength

#41
20140027358
2014-01-30

Water treatment system

#42
20140013867
2014-01-16

Microporous organogel absorbing/solubilising materials

#43
20130306152
2013-11-21

Methods and apparatus for delivery system for water enhancements

#44
20130225869
2013-08-29

Stabilized 3,3 dialkoxy-1-propene-preparation

#45
20130165352
2013-06-27

Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation

#46
20120321228
2012-12-20

POLYACRYLAMIDE DELIVERY PRODUCT

#47
20120160776
2012-06-28

Stimulant sensitive flocculation and consolidation

#48
20120125203
2012-05-24

Water purification and enhancement systems

#49
20120122164
2012-05-17

METHOD AND SYSTEM FOR PROCESSING A BIOMASS FOR PRODUCING BIOFUELS AND OTHER PRODUCTS

#50
20120071569
2012-03-22

PROCESS FOR PRODUCING GEL OF CARBOXYMETHYL CELLULOSE ALKALI METAL SALT

#51
20120061330
2012-03-15

WATER TREATMENT ARTICLES

#52
20120051964
2012-03-01

Deodorant for treating sediment in-situ and the associated facilities and method

#53
20110288049
2011-11-24

Compositions, Systems, and/or Methods Involving Chlorine Dioxide ("ClO2")

#54
20110278008
2011-11-17

WELL TREATMENT FLUID COMPOSITIONS AND METHODS OF USE THAT INCLUDE A DELAYED RELEASE PERCARBONATE FORMULATION

#55
20110192806
2011-08-11

Chemical Delivery Media and Methods of Preparation and Use

#56
20110177147
2011-07-21

STABLE BIOCIDAL DELIVERY SYSTEMS

#57
20110052656
2011-03-03

Method for controlling microbial biofilm in aqueous systems

#58
20100282674
2010-11-11

Phosphate recovery from acid phase anaerobic digesters

#59
20100248998
2010-09-30

Process for the production of a granule of a coated oxidizing compound such granule and uses of the granule

#60
20100215757
2010-08-26

ENVELOPE MEMBRANE FOR DISCHARGING AN ENCLOSED AGENT, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF

#61
20100167976
2010-07-01

Composition

#62
20100147775
2010-06-17

Fatty acid containing compounds and methods of using same

#63
20100025626
2010-02-04

Two-layer compacted solid product for water potabilization and preparation method

#64
20090239973
2009-09-24

Polyacrylamide delivery product

#65
20090104239
2009-04-23

Method, material and system for controlled release of anti-microbial agents

#66
20090095472
2009-04-16

Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation

#67
20090039035
2009-02-12

Method for controlling microbial biofilm in aqueous systems

#68
20080190860
2008-08-14

Stimulant sensitive flocculation and consolidation

#69
20080099396
2008-05-01

Device and Method for Purifying Waste Water

#70
20080067468
2008-03-20

Calcium hypochlorite composition

#71
20080067134
2008-03-20

Dispenser for a tablet, and methods of use

#72
20080047904
2008-02-28

Treatment for Hydrostatic Testing Water

#73
20080039317
2008-02-14

Double-layered compacted solid water-purification product

#74
20080011686
2008-01-17

Method and composition for removing contaminants from an aqueous solution

#75
20070207135
2007-09-06

Drip tray tablet

#76
20070184266
2007-08-09

Hydrosoluble polymers exhibiting improved solubility characteristics, the production and use thereof

#77
20070141341
2007-06-21

Coating containing denatured aloe vera, for covering either chlorine-generating compositions or other hazardous chemicals and method for making

#78
20070125979
2007-06-07

Coated calcium hypochlorite composition

#79
20070034575
2007-02-15

Treatment of recreational water

#80
20070007211
2007-01-11

Methods, devices and compounds for dosing corrosion inhibitors cleaners and softening resins to water systems

#81
20060289349
2006-12-28

Composite materials for fluid treatment

#82
20060243669
2006-11-02

Fatty acid containing compounds and methods of using same

#83
20060157667
2006-07-20

Method and compositions for controlling release of organic compositions

#84
20060032823
2006-02-16

Disinfection of reverse osmosis membrane

#85
20060000495
2006-01-05

Novel methods and compositions for remediating submerged deposits

#86
20050261399
2005-11-24

Powdered flocculants prepared by using evaporative cooling to coat polymeric materials on a porous substrate

#87
20050173672
2005-08-11

Dissolved oxygen releasing compound

#88
20050127323
2005-06-16

Composition for conditioning water used in aquariums

#89
20050121395
2005-06-09

Alum pellets

#90
20050103709
2005-05-19

Slime remover and slime preventing/removing agent

#91
20050082229
2005-04-21

Compositions for treating phosphate in water

#92
20050035067
2005-02-17

Method of reducing chemical oxygen demand in water

#93
20050000915
2005-01-06

In situ water treatment

#94
20050000909
2005-01-06

Alum pellets

#95
17690049
2024-01-30

Lignin floccules as cleaning agents for oil-contaminated materials

#96
16873721
2022-04-19

Water purification material and method for use in sanitizing pools and spas where the water purification material is free of antimicrobial materials