ClassID:

119404

C22B19/28 - CPC Classification

Classification description:

Obtaining zinc or zinc oxide from muffle furnace residues

Recent Application in this class:
#1
20240368729
2024-11-07

METHOD FOR REMOVING HALIDE FROM WAELZ OXIDE

#2
20220178001
2022-06-09

Pyro-metallurgical process in a rotary kiln

#3
20160138130
2016-05-19

Zinc production method

#4
20140174299
2014-06-26

Apparatus and method for treating exhaust gas

#5
20120114539
2012-05-10

Metal recovery process

#6
20110268632
2011-11-03

HYDROMETALLURGICAL METHOD FOR THE REUSE OF SECONDARY ZINC OXIDES RICH IN FLUORIDE AND CHLORIDE

#7
20110209615
2011-09-01

Apparatus and method for treating exhaust gas

#8
20110042868
2011-02-24

Process and apparatus for recovery of non-ferrous metals from zinc residues

#9
20100192726
2010-08-05

Method for reduction treatment of electric furnace dust

#10
20100050814
2010-03-04

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

#11
20080210537
2008-09-04

Process for separating iron from other metals in iron containing feed stocks

#12
20080206127
2008-08-28

Iron oxide precipitation from acidic iron salt solutions

#13
20080145289
2008-06-19

Process for the treatment of electric and other furnace dusts and residues containing zinc oxides and zinc ferrites

#14
20070215019
2007-09-20

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

#15
20070125197
2007-06-07

Recovery of non-ferrous metals from zinc residues

#16
20070095169
2007-05-03

Process and apparatus for recovery of non-ferrous metals from zinc residues

#17
20070041883
2007-02-22

Process for hydrometallurgical treatment of electric arc furnace dust

#18
20050241439
2005-11-03

Metallurgical dust reclamation process