ClassID:

85607

C01F5/40 - CPC Classification

Classification description:

Compounds of magnesium Magnesium sulfates

Recent Application in this class:
#1
20260070801
2026-03-12

RECOVERY SYSTEM FOR PREPARING MAGNESIUM SULFATE FROM SULFURIC ACID WASTE SOLUTION AND METHOD THEREOF

#2
20250236531
2025-07-24

SYSTEMS AND METHODS FOR PRODUCING ALKALI HYDROXIDES AND SULFURIC ACID OR HYDROCHLORIC ACID

#3
20250222022
2025-07-10

INORGANIC COMPOUND WITH RATIO OF MAGNESIUM CHLORIDE TO MAGNESIUM SULFATE OF 1:0.64

#4
20250214856
2025-07-03

PROCESSES FOR PRODUCING CALCIUM OXIDE AND SULFURIC ACID FROM CALCIUM SULFATE WITH MAGNESIUM INTERMEDIATE

#5
20250135254
2025-05-01

LONG-TERM FIRE RETARDANT WITH CORROSION INHIBITORS AND METHODS FOR MAKING AND USING SAME

#6
20250019253
2025-01-16

Processes for producing calcium oxide and sulfuric acid from calcium sulfate with magnesium intermediate

#7
20240360536
2024-10-31

METHOD FOR RECOVERING MAGNESIUM BY USING SEDIMENT AND SULFURIC ACID GENERATED IN ELECTROLYTIC CHLORINE GENERATION SYSTEM USING SEAWATER AND BRACKISH WATER

#8
20240228310
2024-07-11

MAGNESIUM REMOVAL PROCESS

#9
20240216737
2024-07-04

LONG-TERM FIRE RETARDANT WITH MAGNESIUM SULFATE AND CORROSION INHIBITORS AND METHODS FOR MAKING AND USING SAME

#10
20240166528
2024-05-23

Device and method for making a hollow tube of micron-sized crystalline magnesium sulfate

#11
20240149091
2024-05-09

Long-term fire retardant with corrosion inhibitors and methods for making and using same

#12
20240139573
2024-05-02

Long-term fire retardant with corrosion inhibitors and methods for making and using same

#13
20240092648
2024-03-21

METHOD FOR RECOVERING MAGNESIUM IN SEAWATER AS HIGH-PURITY MAGNESIUM SULFATE

#14
20230249020
2023-08-10

Long-term fire retardant with corrosion inhibitors and methods for making and using same

#15
20230211199
2023-07-06

Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for making and using same

#16
20230166149
2023-06-01

Long-term fire retardant with corrosion inhibitors and methods for making and using same

#17
20230001250
2023-01-05

Long-term fire retardant with corrosion inhibitors and methods for making and using same

#18
20220402766
2022-12-22

METHOD FOR PRODUCING SULPHUR-CONTAINING POTASH GRANULES

#19
20220323809
2022-10-13

Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for making and using same

#20
20220194833
2022-06-23

System and Method of Separating Oxygen from A Body of Water

#21
20220194786
2022-06-23

System and Method of Generating Hydrogen Gas

#22
20220184441
2022-06-16

Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for making and using same

#23
20220184440
2022-06-16

Long-term fire retardant with corrosion inhibitors and methods for making and using same

#24
20220127159
2022-04-28

Methods of extraction of products from titanium-bearing materials

#25
20210188659
2021-06-24

Method for treating pickling acid residue

#26
20210032126
2021-02-04

Method for processing metallurgical waste acid

#27
20200131339
2020-04-30

FILLER COMPOSITION

#28
20200039832
2020-02-06

Magnesium sulfate granulates based on synthetic magnesium sulphate

#29
20190276330
2019-09-12

Processes and systems for regenerating alkali process streams

#30
20190194524
2019-06-27

Enhanced surfactant polymer flooding processes for oil recovery in carbonate reservoirs

#31
20190119780
2019-04-25

Process for recovering components from pickling acid residue

#32
20190031524
2019-01-31

IMPROVED METHODS OF EXTRACTION OF PRODUCTS FROM TITANIUM-BEARING MINERALS

#33
20190025309
2019-01-24

PRE-TREATMENT AGENT AND PRE-TREATMENT METHOD FOR ANTITHROMBIN III TO BE SUBJECTED TO LIMULUS TEST

#34
20180339949
2018-11-29

Potassium magnesium fertilizer

#35
20180236433
2018-08-23

MAGNESIUM SULFATE-BASED DESICCANT AND METHOD FOR PRODUCING SAME

#36
20180134573
2018-05-17

Process and systems for regenerating alkali process streams

#37
20180111839
2018-04-26

Methods for the production of potassium sulphate from potassium-containing ores at high ambient temperatures

#38
20180002187
2018-01-04

Process for treating a sulfurous fluid to form gypsum and magnesium carbonate

#39
20170320749
2017-11-09

Method for the processing of potassium containing materials

#40
20170306442
2017-10-26

Hydrometallurgical process for the recovery of copper, lead or zinc

#41
20170190592
2017-07-06

Extraction of products from titanium-bearing minerals

#42
20170174525
2017-06-22

Extraction of products from titanium-bearing minerals

#43
20170158523
2017-06-08

Extraction of products from titanium-bearing minerals

#44
20170081206
2017-03-23

Apparatus and method for producing magnesium sulfate from coal-fired boiler flue gas

#45
20160137524
2016-05-19

Hematite manufacturing process and hematite manufactured by same

#46
20160115050
2016-04-28

Wastewater treatment process

#47
20160061838
2016-03-03

Pre-treatment agent and pre-treatment method for antithrombin III to be subjected to limulus test

#48
20150298985
2015-10-22

Boussingaultite production process from liquid effluents containing magnesium sulphate

#49
20150139893
2015-05-21

Synthesis of unit cell sized oxide particulates

#50
20140348732
2014-11-27

Operating method in hydrometallurgy of nickel oxide ore

#51
20140245804
2014-09-04

Magnesium sulphate

#52
20140128500
2014-05-08

Resin composition

#53
20140045982
2014-02-13

Fibrous basic magnesium sulfate powder and method for producing same

#54
20120066868
2012-03-22

Method of producing naturally purified salt products

#55
20110042297
2011-02-24

Basic magnesium sulfate granule, and process for production thereof

#56
20110014470
2011-01-20

Basic magnesium sulfate granule having high crush strength and process for production thereof

#57
20110014116
2011-01-20

Process for continuous production of fibrous basic magnesium sulfate particle

#58
20100258035
2010-10-14

COMPOSITIONS AND METHODS USING SUBSTANCES CONTAINING CARBON

#59
20100233289
2010-09-16

Antimicrobial acid formulation

#60
20100111819
2010-05-06

Chemical process to produce hydrogen chloride and chloride-free compound potassium sulfate fertilizers or other metal sulfates

#61
20100062115
2010-03-11

Low sodium sea salt

#62
20090148365
2009-06-11

Recovery of Solid Magnesium Sulfate Hydrate

#63
20080223260
2008-09-18

Soil-Solidifying Agent

#64
20080056982
2008-03-06

Process for recycling waste acid

#65
20080025908
2008-01-31

Method for extracting minerals with high purity from deep ocean water

#66
20060133987
2006-06-22

Method for producing alkaline earth sulphate nanoparticles

#67
20050166368
2005-08-04

Process for the recovery of selected salts

#68
18813773
2025-07-22

Systems and methods for producing alkali hydroxides and sulfuric acid or hydrochloric acid