Version: 2024.08
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
C23G | CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS [2023-02] |
C23G 1/00 | Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G 5/02) [2013-01] |
C23G 1/02 | . | with acid solutions [2013-01] |
C23G 1/025 | . . | {acidic pickling pastes} [2013-01] |
C23G 1/04 | . . | using inhibitors [2013-01] |
| C23G 1/06 | . . . | organic inhibitors [2016-05] NOTE
|
C23G 1/061 | . . . . | {nitrogen-containing compounds} [2013-01] |
C23G 1/063 | . . . . | {heterocyclic compounds} [2013-01] |
C23G 1/065 | . . . . | {sulfur-containing compounds} [2013-01] |
C23G 1/066 | . . . . | {phosphorus-containing compounds} [2013-01] |
C23G 1/068 | . . . . | {compounds containing a C=C bond} [2013-01] |
| C23G 1/08 | . . | Iron or steel [2016-05] NOTE
|
C23G 1/081 | . . . | {solutions containing H2SO4} [2013-01] |
C23G 1/083 | . . . | {solutions containing H3PO4} [2013-01] |
C23G 1/085 | . . . | {solutions containing HNO3} [2013-01] |
C23G 1/086 | . . . | {solutions containing HF} [2013-01] |
C23G 1/088 | . . . | {solutions containing organic acids} [2013-01] |
C23G 1/10 | . . | Other heavy metals [2013-01] |
C23G 1/103 | . . . | {copper or alloys of copper} [2013-01] |
C23G 1/106 | . . . | {refractory metals} [2013-01] |
C23G 1/12 | . . | Light metals [2013-01] |
C23G 1/125 | . . . | {aluminium} [2013-01] |
C23G 1/14 | . | with alkaline solutions [2013-01] |
C23G 1/16 | . . | using inhibitors [2013-01] |
C23G 1/18 | . . . | Organic inhibitors [2013-01] |
C23G 1/19 | . . | Iron or steel [2013-01] |
C23G 1/20 | . . | Other heavy metals [2013-01] |
C23G 1/205 | . . . | {refractory metals} [2013-01] |
C23G 1/22 | . . | Light metals [2013-01] |
C23G 1/24 | . | with neutral solutions [2013-01] |
C23G 1/26 | . . | using inhibitors [2013-01] |
C23G 1/28 | . | with molten salts [2013-01] |
C23G 1/30 | . . | using inhibitors [2013-01] |
C23G 1/32 | . . | Heavy metals [2013-01] |
C23G 1/34 | . . | Light metals [2013-01] |
C23G 1/36 | . | Regeneration of waste pickling liquors [2013-01] |
C23G 3/00 |
C23G 3/02 | . | for cleaning wires, strips, filaments continuously [2013-01] |
C23G 3/021 | . . | {by dipping} [2013-01] |
C23G 3/022 | . . . | {the objects following a helicoidal path} [2013-01] |
C23G 3/023 | . . | {by spraying} [2013-01] |
C23G 3/024 | . . | {by a combination of dipping and spraying} [2013-01] |
C23G 3/025 | . . | {Details of the apparatus, e.g. linings or sealing means} [2013-01] |
C23G 3/026 | . . . | {for guiding the objects} [2013-01] |
C23G 3/027 | . . | {Associated apparatus, e.g. for pretreating or after-treating} [2013-01] |
C23G 3/028 | . . . | {for thermal or mechanical pretreatment} [2013-01] |
C23G 3/029 | . . . | {for removing the pickling fluid from the objects} [2013-01] |
C23G 3/04 | . | for cleaning pipes [2013-01] |
C23G 5/02 | . | using organic solvents [2013-01] |
C23G 5/024 | . . | containing hydrocarbons [2013-01] |
C23G 5/028 | . . | containing halogenated hydrocarbons [2013-01] |
C23G 5/02803 | . . . | {containing fluorine} [2013-01] |
C23G 5/02806 | . . . | {containing only chlorine as halogen atom} [2013-01] |
C23G 5/02809 | . . . | {containing chlorine and fluorine} [2013-01] |
C23G 5/02812 | . . . . | {Perhalogenated hydrocarbons} [2013-01] |
C23G 5/02816 | . . . . . | {Ethanes} [2013-01] |
C23G 5/02819 | . . . . . . | {C2Cl3F3} [2013-01] |
C23G 5/02822 | . . . . . . | {C2Cl4F2} [2013-01] |
C23G 5/02825 | . . . . | {containing hydrogen} [2013-01] |
C23G 5/02829 | . . . . . | {Ethanes} [2013-01] |
C23G 5/02832 | . . . . . . | {C2H3Cl2F} [2013-01] |
C23G 5/02835 | . . . . . . | {C2H2Cl2F2} [2013-01] |
C23G 5/02838 | . . . . . . | {C2HCl2F3} [2013-01] |
C23G 5/02841 | . . . . . | {Propanes} [2013-01] |
C23G 5/02845 | . . . . . . | {C3H3ClF4} [2013-01] |
C23G 5/02848 | . . . . . . | {C2H2Cl2F4} [2013-01] |
C23G 5/02851 | . . . . . . | {C2HCl2F5} [2013-01] |
C23G 5/02854 | . . . | {characterised by the stabilising or corrosion inhibiting additives} [2013-01] |
C23G 5/02858 | . . . . | {Hydrocarbons} [2013-01] |
C23G 5/02861 | . . . . | {Oxygen-containing compounds} [2013-01] |
C23G 5/02864 | . . . . . | {Alcohols} [2013-01] |
C23G 5/02867 | . . . . . . | {aliphatic} [2013-01] |
C23G 5/0287 | . . . . . . | {aromatic} [2013-01] |
C23G 5/02874 | . . . . . | {Aldehydes or ketones} [2013-01] |
C23G 5/02877 | . . . . . | {Ethers} [2013-01] |
C23G 5/0288 | . . . . . | {Epoxy compounds} [2013-01] |
C23G 5/02883 | . . . . | {Nitrogen-containing compounds} [2013-01] |
C23G 5/02887 | . . . . . | {Nitro-compounds} [2013-01] |
C23G 5/0289 | . . . . . | {N-heterocyclics} [2013-01] |
C23G 5/02893 | . . . . | {Sulfur-containing compounds} [2013-01] |
C23G 5/02896 | . . . . | {Phosphorus-containing compounds} [2013-01] |
C23G 5/032 | . . | containing oxygen-containing compounds [2017-08] |
C23G 5/036 | . . . | having also nitrogen [2013-01] |
C23G 5/04 | . . | Apparatus [2013-01] |
C23G 5/06 | . | using emulsions [2013-01] |