Patents-Review.com
ClassID:

35683 ⎘

B03D1/021 - CPC Classification

Classification description:

Flotation; Froth-flotation processes for treatment of phosphate ores

Recent Application in this class:
#1
20250345805
2025-11-13

COMPOSITIONS AND METHODS FOR FROTH FLOTATION OF MINERAL ORES

 #2
20230302464
2023-09-28

Novel Cationic Collectors for Improving a Process for Froth Flotation of Silicates

 #3
20230066944
2023-03-02

Method For Flotation Of A Phosphate-Containing Ore

 #4
20220184637
2022-06-16

ORE DRESSING PROCESS FOR MEDIUM-GRADE AND LOW-GRADE MIXED COLLOPHANITE

 #5
20220176386
2022-06-09

COLLECTOR COMPOSITIONS CONTAINING A N-ACYLATED AMINO ACID AND PROCESS TO TREAT NON-SULFIDIC ORES

 #6
20220161276
2022-05-26

MIXTURE OF FATTY ACIDS AND ALKYLETHER PHOSPHATES AS A COLLECTOR FOR PHOSPHATE ORE FLOTATION

 #7
20220040708
2022-02-10

Flotation oils, processes and uses thereof

 #8
20210197211
2021-07-01

BENEFICIATION OF PHOSPHATE FROM PHOSPHATE CONTAINING ORES

 #9
20210171759
2021-06-10

SULFONATED MODIFIERS FOR FROTH FLOTATION

 #10
20210155791
2021-05-27

SULFONATED MODIFIERS FOR FROTH FLOTATION

 #11
20200391224
2020-12-17

REAGENT FOR SEDIMENTARY PHOSPHATE FLOTATION

 #12
20200164386
2020-05-28

Valve

 #13
20190126291
2019-05-02

Reagent scheme for sedimentary phosphate flotation

 #14
20190046994
2019-02-14

Use of alkoxylated amines as collector agents for ore beneficiation

 #15
20180345297
2018-12-06

Compositions and methods for reverse froth flotation of phosphate ores

 #16
20180104701
2018-04-19

Composition of fatty acids and N-acyl derivatives of sarcosine for the improved flotation of nonsulfide minerals

 #17
20180057680
2018-03-01

Sulfonated modifiers for froth flotation

 #18
20180057679
2018-03-01

Sulfonated modifiers for froth flotation

 #19
20180043373
2018-02-15

Collector for beneficiating carbonaceous phosphate ores

 #20
20170252753
2017-09-07

Use of branched alcohols and alkoxylates thereof as secondary collectors

 #21
20160325290
2016-11-10

Frothers for mineral flotation

 #22
20160304663
2016-10-20

Polyester polyquaternary ammonium compound collectors for reverse froth flotation of silicates from nonsulfidic ores

 #23
20160129456
2016-05-12

Synthesis of new anionic surfactants and their use as collectors in froth flotation of non-sulphidic ores

 #24
20160114337
2016-04-28

POLYAMIDOAMINE CATIONIC COLLECTORS AND METHODS FOR MAKING AND USING SAME

 #25
20160114335
2016-04-28

METHODS AND COLLECTORS FOR PURIFYING PHOSPHOROUS CONTAINING MATERIALS

 #26
20150238976
2015-08-27

Composition For Dressing Phosphate Ore

 #27
20150096925
2015-04-09

Collector compositions and methods for making and using same

 #28
20150090666
2015-04-02

Collectors for mineral flotation

 #29
20140110621
2014-04-24

Processes for the separation of ores

 #30
20130284642
2013-10-31

METHOD OF BENEFICIATION OF PHOSPHATE

 #31
20090194731
2009-08-06

Oxidized and maleated derivative compositions

 #32
20090145821
2009-06-11

Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation

 #33
20090114572
2009-05-07

Process for separation of phosphatic materials from coastal beach sand

 #34
20070071665
2007-03-29

Use of a derivative of aspartic acid as a collector in froth flotation processes

 #35
20070000839
2007-01-04

Modified amine-aldehyde resins and uses thereof in separation processes

 #36
20060086646
2006-04-27

Treatment of phosphate material using directly supplied, high power ultrasonic energy

 #37
20050284818
2005-12-29

Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation

 #38
20050269248
2005-12-08

Phosphate beneficiation process using methyl or ethyl esters as float oils

 #39
20050047983
2005-03-03

Ester quaternary cationic flotation collectors

 #40
17016978
2023-05-02

Flotation reagents from acidic olive oil