ClassID:

119407

C22B19/34 - CPC Classification

Classification description:

Obtaining zinc or zinc oxide Obtaining zinc oxide

Sub-classes:
Recent Application in this class:
#1
20250369070
2025-12-04

METHOD OF MANUFACTURING ALUMINIUM DEOX, ALUMINIUM POWDER, AND ZINC OXIDE IN A SINGLE BATCH PROCESS

#2
20250059622
2025-02-20

Zinc Production Powered by Geothermal Energy

#3
20240368731
2024-11-07

Process for the Production of Zinc Oxide Concentrate and Iron Ecosinter from Steelmaking Wastes and Product Obtained by Such Process

#4
20240240283
2024-07-18

PROCESS AND PLANT FOR RECYCLING ZINC OXIDE RESIDUES

#5
20190112687
2019-04-18

Oxygen injection in fluid bed ore concentrate roasting

#6
20160102382
2016-04-14

PROCESS FOR THE REMOVAL OF METAL OR IMPURITIES FROM ELECTRIC ARC FURNACE DUST

#7
20150252446
2015-09-10

Method for producing a high-purity nanometer zinc oxide from steel plant smoke and dust by ammonia decarburization

#8
20150240327
2015-08-27

Method for producing a high-purity nanometer zinc oxide from low-grade zinc oxide ore by ammonia decarburization

#9
20150225811
2015-08-13

Recovery of zinc from lead slag

#10
20140374970
2014-12-25

Electric arc furnace dust recycling apparatus and method

#11
20140205519
2014-07-24

Process for recovering zinc and/or zinc oxide II

#12
20140105797
2014-04-17

Precipitation of zinc from solution

#13
20140037519
2014-02-06

Method for producing oxide/hydroxide

#14
20130042722
2013-02-21

Electric arc furnace dust recycling apparatus and method

#15
20110113926
2011-05-19

Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead

#16
20110041652
2011-02-24

Method for producing pig iron

#17
20110036204
2011-02-17

METHOD FOR PRODUCING REDUCED IRON

#18
20100192726
2010-08-05

Method for reduction treatment of electric furnace dust

#19
20100139456
2010-06-10

Reduction treatment apparatus and method of reduction treatment

#20
20100086455
2010-04-08

Method of producing zinc oxide powder

#21
20100050814
2010-03-04

Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma

#22
20090229409
2009-09-17

Feed material composition and handling in a channel induction furnace

#23
20090229408
2009-09-17

Use of a channel induction furnace to process at least one of a molten metal product, a vapor phase metal product and a slag product from a variety of feed materials

#24
20090229407
2009-09-17

Reductant addition in a channel induction furnace

#25
20090229406
2009-09-17

Slag control in a channel induction furnace

#26
20080196619
2008-08-21

Anti-corrosion pigments coming from dust of an electric arc furnace and containing sacrificial calcium

#27
20070215019
2007-09-20

Method and Use of an Apparatus for Recovery of Metals or Metal Compounds

#28
20070178031
2007-08-02

Process for upgrading an ore or concentrate

#29
20070125197
2007-06-07

Recovery of non-ferrous metals from zinc residues

#30
20060127291
2006-06-15

High density, high stability, sized metal oxide powder and process for making same

#31
20060096419
2006-05-11

Method for reduction treatment of metal oxide or ironmaking waste and method for concentration and recovery zinc and/or lead

#32
20050112041
2005-05-26

Method for producing higher purity zinc oxide

#33
14868358
2016-08-30

Synthesis of nanoparticles of metals and metal oxides using plant seed extract