C22B21/0038 - CPC Classification Index

ClassID:

119415 ⎘

C22B21/0038 - CPC Classification

Classification description:

Obtaining aluminium by other processes

Sub-classes:

C22B21/0046 » {from aluminium halides} 11
C22B21/0053 » {from other aluminium compounds} 9
C22B21/0069 » {from scrap, skimmings or any secondary source aluminium e.g. recovery of alloy constituents } 85

Recent Application in this class:

20190301032

Aluminum hydroxide solar powered thermal reduction device for aluminum-air fuel cell

20160258074

Treatment of titanium ores

20120228127

SYSTEMS, METHOD AND APPARATUS FOR REDUCING IMPURITIES IN ELECTROLYSIS CELLS

20120152756

Treatment of titanium ores

20120088153

Method for producing aluminum foil

20100275732

Systems, method and apparatus for reducing impurities in electrolysis cells

20100101760

Flue gas cooling and cleaning system

20090311154

Extraction process for reactive metal oxides

20060226026

Method and apparatus for the production of aluminum

20060001199

Method for primary aluminum smelting integrated with a solid fossil-fuel fired power plant, with choice of technology allowing small size, minimal capital intensity, extra energy production available for a local grid, and competitive operating costs