WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

C23G　CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS (polishing compositions C09G; detergents in general C11D)

C23G 1/00 Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G 5/02)

C23G 1/02 ・with acid solutions

C23G 1/025 ・・{acidic pickling pastes}

C23G 1/04 ・・using inhibitors

C23G 1/06 ・・・organic inhibitors

C23G 1/061 ・・・・{nitrogen-containing compounds}

C23G 1/063 ・・・・{heterocyclic compounds}

C23G 1/065 ・・・・{sulfur-containing compounds}

C23G 1/066 ・・・・{phosphorus-containing compounds}

C23G 1/068 ・・・・{compounds containing a C=C bond}

C23G 1/08 ・・Iron or steel

C23G 1/081 ・・・{solutions containing H2SO4}

C23G 1/083 ・・・{solutions containing H3PO4}

C23G 1/085 ・・・{solutions containing HNO3}

C23G 1/086 ・・・{solutions containing HF}

C23G 1/088 ・・・{solutions containing organic acids}

C23G 1/10 ・・Other heavy metals

C23G 1/103 ・・・{copper or alloys of copper}

C23G 1/106 ・・・{refractory metals}

C23G 1/12 ・・Light metals

C23G 1/125 ・・・{aluminium}

C23G 1/14 ・with alkaline solutions

C23G 1/16 ・・using inhibitors

C23G 1/18 ・・・Organic inhibitors

C23G 1/19 ・・Iron or steel

C23G 1/20 ・・Other heavy metals

C23G 1/205 ・・・{refractory metals}

C23G 1/22 ・・Light metals

C23G 1/24 ・with neutral solutions

C23G 1/26 ・・using inhibitors

C23G 1/28 ・with molten salts

C23G 1/30 ・・using inhibitors

C23G 1/32 ・・Heavy metals

C23G 1/34 ・・Light metals

C23G 1/36 ・Regeneration of waste pickling liquors

C23G 3/00 Apparatus for cleaning or pickling metallic material (with organic solvents C23G 5/04; {apparatus for continuously conveying articles into baths B65G})

C23G 3/02 ・for cleaning wires, strips, filaments continuously

C23G 3/021 ・・{by dipping}

C23G 3/022 ・・・{the objects following a helicoidal path}

C23G 3/023 ・・{by spraying}

C23G 3/024 ・・{by a combination of dipping and spraying}

C23G 3/025 ・・{Details of the apparatus, e.g. linings or sealing means}

C23G 3/026 ・・・{for guiding the objects}

C23G 3/027 ・・{Associated apparatus, e.g. for pretreating or after-treating}

C23G 3/028 ・・・{for thermal or mechanical pretreatment}

C23G 3/029 ・・・{for removing the pickling fluid from the objects}

C23G 3/04 ・for cleaning pipes

C23G 5/00 Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents

C23G 5/02 ・using organic solvents

C23G 5/024 ・・containing hydrocarbons

C23G 5/028 ・・containing halogenated hydrocarbons

C23G 5/02803 ・・・{containing fluorine}

C23G 5/02806 ・・・{containing only chlorine as halogen atom}

C23G 5/02809 ・・・{containing chlorine and fluorine}

C23G 5/02812 ・・・・{Perhalogenated hydrocarbons}

C23G 5/02816 ・・・・・{Ethanes}

C23G 5/02819 ・・・・・・{C2Cl3F3}

C23G 5/02822 ・・・・・・{C2Cl4F2}

C23G 5/02825 ・・・・{containing hydrogen}

C23G 5/02829 ・・・・・{Ethanes}

C23G 5/02832 ・・・・・・{C2H3Cl2F}

C23G 5/02835 ・・・・・・{C2H2Cl2F2}

C23G 5/02838 ・・・・・・{C2HCl2F3}

C23G 5/02841 ・・・・・{Propanes}

C23G 5/02845 ・・・・・・{C3H3ClF4}

C23G 5/02848 ・・・・・・{C2H2Cl2F4}

C23G 5/02851 ・・・・・・{C2HCl2F5}

C23G 5/02854 ・・・{characterised by the stabilising or corrosion inhibiting additives}

C23G 5/02858 ・・・・{Hydrocarbons}

C23G 5/02861 ・・・・{Oxygen-containing compounds}

C23G 5/02864 ・・・・・{Alcohols}

C23G 5/02867 ・・・・・・{aliphatic}

C23G 5/0287 ・・・・・・{aromatic}

C23G 5/02874 ・・・・・{Aldehydes or ketones}

C23G 5/02877 ・・・・・{Ethers}

C23G 5/0288 ・・・・・{Epoxy compounds}

C23G 5/02883 ・・・・{Nitrogen-containing compounds}

C23G 5/02887 ・・・・・{Nitro-compounds}

C23G 5/0289 ・・・・・{N-heterocyclics}

C23G 5/02893 ・・・・{Sulfur-containing compounds}

C23G 5/02896 ・・・・{Phosphorus-containing compounds}

C23G 5/032 ・・containing oxygen-containing compound

C23G 5/036 ・・・having also nitrogen

C23G 5/04 ・・Apparatus

C23G 5/06 ・using emulsions