C23F - Non-mechanical removal of metallic material from surfaces; Inhibiting corrosion of metallic material; Inhibiting incrustation in general; Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class

More topics under "C23F - Non-mechanical removal of metallic material from surfaces; Inhibiting corrosion of metallic material; Inhibiting incrustation in general; Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class" (38,489)
C23F 1 - Etching metallic material by chemical means (16,062)
C23F 11 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent (9,217)
C23F 13 - Inhibiting corrosion of metals by anodic or cathodic protection (3,652)
C23F 14 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes (579)
C23F 15 - Other methods of preventing corrosion or incrustation (1,417)
C23F 17 - Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class (1,366)
C23F 3 - Brightening metals by chemical means (1,427)
C23F 4 - Processes for removing metallic material from surfaces, not provided for in group or (4,769)

Patents for C23F - Non-mechanical removal of metallic material from surfaces; Inhibiting corrosion of metallic material; Inhibiting incrustation in general; Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class (121)
11/1991
11/16/1991	CA2083263A1 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water
08/1991
08/07/1991	CN1053598A Method and solid material body for purification of fluids such as water, aqueous fluids and liquid fuels
04/1990
04/10/1990	CA1267746A1 Treatment of metal with derivative of poly- alkenylphenol
02/1990
02/15/1990	DE3822168A1 Cathodic corrosion protection
02/1988
02/24/1988	CN87102313A Method for improving performance of corrosion inhibitors in industrial colling waters
09/1987
09/30/1987	EP0238728A1 Corrosion inhibiting
01/1986
01/21/1986	CA1199558A1 Alkaline resistant phosphate conversion coatings and method of making
07/1985
07/16/1985	CA1190512A1 Protective coating means for articles such as gold- plated jewelry and wristwatch components, and method of forming such coating means
05/1985
05/08/1985	EP0140179A2 Lubricating process
01/1984
01/24/1984	CA1160824A1 Coating composition and method
12/1982
12/15/1982	EP0016002B1 Prevention of solute deposition fouling in membrane processes
05/1982
05/04/1982	US4328205 Inhibition of corrosion of aluminium tubes by toothpastes
01/1982
01/05/1982	CA1115643A1 Prevention of solute deposition fouling in membrane processes
12/1981
12/29/1981	CA1115214A1 Alkali hydroxides or carbonates in silica toothpaste
06/1980
06/10/1980	US4207183 Prevention of solute deposition fouling in membrane processes
01/1980
01/23/1980	EP0007170A1 Method of inhibiting corrosion of aluminium tubes by toothpastes
12/1979
12/13/1979	WO1979001052A1 Prevention of solute deposition fouling in membrane processes
04/1979
04/17/1979	CA1052595A1 Aluminum alloy anode composition
07/1978
07/18/1978	US4101339 With aqueous solution of a thiourea compound and a vegetable tannin at ph of 2 to 6.5
06/1977
06/28/1977	US4032359 Removal of aluminium rich coatings from heat resisting alloys
08/1976
08/10/1976	US3974055 Indium, zinc

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