Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
10/1985
10/23/1985EP0159221A1 Chemical pickling bath for heat-resisting alloys
10/22/1985US4548729 Mixtures with polyglycerol polyethylene glycol alkyl ether
10/16/1985EP0158474A2 Method and apparatus for descaling metal strip
10/15/1985US4547227 Method for preparing a steel charge from terneplate scrap metal
10/09/1985EP0157382A1 Process and an aqueous acid cleaning solution for the cleaning of aluminium surfaces
10/09/1985EP0157190A1 Etching process for aluminium
10/08/1985US4545918 Adding an alkali metal hydroxide, ammonium hydroxide or mixture; cleaning and polishing of stainless steels;
10/08/1985CA1194833A1 Regeneration of cleaning fluid in cell with cation exchange film separator
10/02/1985EP0156341A2 Treatment of ultrafiltrate by electrodialysis
10/01/1985US4544462 Process for removing metal surface oxide
09/1985
09/24/1985US4543182 Parts washing and/or fluid recovery apparatus
09/24/1985US4543169 Ion exchanging
09/18/1985EP0154950A2 Tin-plate degreasing detergent
09/17/1985US4542175 Method for thickening aqueous systems
09/17/1985US4541945 Inhibitor-containing acid cleaning compositions and processes
09/11/1985EP0154384A2 Process for pretreating zinc surfaces before lacquering
09/10/1985US4540448 Microemulsion-based acid composition and its uses, particularly for cleaning operations
09/10/1985US4540444 Aluminum cleaner and system
09/10/1985US4540443 Cooling system cleaning composition
09/10/1985US4540435 Solvent extraction of gold and silver anions under alkaline conditions
09/03/1985US4539404 Pyrimidines containing sulfur and amino groups as corrosion inhibitors
09/03/1985US4539140 Mixtures of non-halogen salts of nitrogen heterocyclics and nitrogen-sulfur heterocyclics
09/03/1985US4539134 Methods and cleaning compositions for removing organic materials from metallic surfaces
08/1985
08/27/1985CA1192479A1 Rust removal process
08/14/1985EP0151114A1 Acid based variable viscosity compositions such as corrosion and grease removers and polishers.
08/06/1985US4533486 Sulfated addition products of selected unsaturated dicarboxylic acids and poly(oxyalkylated) alcohols as anionic surfactants
08/06/1985US4533485 Anionic surfactant addition products of maleic or fumaric acid and a poly(oxyalkylated) alcohol
08/06/1985US4533404 Reaction product of aromatic amino compound and brominated aliphatic hydrocarbon
07/1985
07/16/1985US4529450 Metal oxide remover and method of using
07/09/1985US4528063 Method for refinishing rigid data storage discs
07/09/1985US4528039 Alkaline cleaning compositions non-corrosive toward aluminum surfaces
07/09/1985CA1190128A1 Chemical dissolution of scale formed during pressure leaching of nickeliferous oxide and silicate ores
07/02/1985US4526650 Mixing pickling acid comprising iron, chrome, nickel, nitric and hydrofluoric acids with sulfuric acid, evaporating, crystallizing, where crystallization is promoted by dividing metal salt, precipitating separately
07/02/1985CA1189773A1 Cleaning and etching process for aluminum containers
06/1985
06/26/1985EP0146010A2 Process for cleaning silver surfaces
06/25/1985US4525296 Halide free corrosion inhibitors
06/25/1985US4525250 Cleaning with a non-aqueous solution of hydrogen fluoride, alkali fluorides and/or ammonium fluoride prior to coating
06/04/1985US4521332 Highly alkaline cleaning dispersion
06/04/1985US4521253 Coating with aqueous solution of a maleic acid copolymer, drying, and detaching coating
05/1985
05/21/1985US4518519 Acid based variable viscosity compositions such as corrosion and grease removers and polishes
05/15/1985EP0141313A1 Process for the regeneration of hydrochloric acid-based pickles containing iron and zinc
05/15/1985EP0141034A2 Method for removing a silicic compound from the waste liquor of steel pickling
05/14/1985US4517023 Rust removal process using removable coatings of maleic acid copolymers
04/1985
04/30/1985US4514320 Salts of alkylpyridines, nonionic surfactant
04/30/1985US4514270 Passing direct current through metal oxide containing solution anddepositing metals on cathode
04/24/1985EP0138531A1 Process for cleaning copper base materials and regenerating the cleaning solution
04/23/1985CA1185841A1 Pretreatment process for galvanized metal prior to its coating with organic powder
04/16/1985CA1185507A1 Composition and process for pickling and removing rust from metal
04/09/1985US4510018 Solution and process for treating copper and copper alloys
04/09/1985CA1185152A1 Selective chemical removal of hard surface coatings from superalloy substrates
03/1985
03/05/1985US4502895 Alloying layers of zinc and copper
02/1985
02/19/1985CA1182723A1 Process for removing anthraquinone type scale
02/13/1985EP0132765A1 Metal cleaning compositions
02/12/1985CA1182389A1 Non-fluoride acid compositions for cleaning aluminum surfaces
02/05/1985US4497667 Jernstedt salt, phosphates, silicates, carbonates, surfactants and edta
02/05/1985US4497655 Process for production of high-purity metallic iron
01/1985
01/31/1985WO1985000379A1 Acid based variable viscosity compositions such as corrosion and grease removers and polishers
01/22/1985US4495336 Corrosion resistance; oil and gas wells; metal pickleing; cleaning compounds
01/22/1985US4494977 Quaternary ammonium salts of α-1,4-thiazine alkanephosphonic acids
01/16/1985EP0131525A2 Process for producing acidic compositions and acidic compositions obtained
01/16/1985EP0131298A2 Pretreatment compositions for metals
01/08/1985CA1180644A1 Compositions and methods for the acid cleaning of aluminum surfaces
01/08/1985CA1180643A1 Process for removing copper and copper oxide encrustations from ferrous surfaces
01/02/1985CA1180258A Method for shaping and finishing a workpiece
01/01/1985US4491530 Brown stain suppressing phenol free and chlorinated hydrocarbons free photoresist stripper
12/1984
12/27/1984EP0129328A2 Anionic surfactants
12/27/1984EP0129194A1 Process for removing metal surface oxide
12/25/1984US4490181 Benzoquinone or polydroxy-benzene etching inhibitors
12/19/1984EP0128682A1 Method for removing glass lubricants from extrusions
12/18/1984US4488950 Heavy metal separation from copper-bearing wastes
12/12/1984EP0127993A2 Soldering fluxes and their production processes
12/12/1984EP0127635A1 Method for eliminating manganiferous scales from watersupply pla nts, treatment solution and utilization thereof
11/1984
11/28/1984EP0126241A2 Brown stain suppressing phenol free and chlorinated hydrocarbon free photoresist stripper
11/27/1984US4485027 Cleaning compositions containing boric acid or an alkali metal borate in phosphoric acid and their use in cleaning solid surfaces
11/21/1984EP0125519A1 Water soluble complexing agent for metallic cations composed of acrylic terpolymers with a high complexing power
11/14/1984EP0124851A2 Composition and process for metal cleaning and passivation by spraying
11/14/1984EP0124815A2 Use of polyglycol ethers as foam-depressing additives in cleaning agents producing little foam
11/13/1984US4482469 Cleaning agent for fire-arm barrels
11/13/1984US4482440 Electrochemical cell and process for manufacturing temperature sensitive solutions
11/07/1984EP0123690A1 Methods of using strong acids modified with acid solutions
11/06/1984US4481073 Process for removing anthraquinone type scale
11/06/1984US4481040 From nuclear reactors
11/06/1984CA1177250A1 Process for production of high-purity metallic iron
10/1984
10/23/1984US4478647 Process for the treatment of spent pickling paste
10/16/1984US4477290 Spraying with a dilute aqueous solution of alkali metal hydroxide and chelating agent; one step
10/16/1984US4477286 Breaking oil-in-water emulsions
10/16/1984US4477285 Method for treating an oxidizable surface
10/09/1984US4476047 Oxidizing chromium oxide with dilute potassium ferrate; corrosion removal
10/03/1984EP0120765A1 Acid composition based on a microemulsion, and its applications, especially for cleaning
09/1984
09/26/1984EP0119641A1 Aqueous alkaline cleaning composition
09/11/1984US4470951 Application technique for the descaling of surfaces
09/11/1984US4470920 Metal oxide remover for stainless steels
08/1984
08/28/1984CA1173334A1 Method for removing iron sulfide scale from metal surfaces
08/22/1984EP0116151A1 Process for the regeneration or recycling of aqueous degreasing and cleaning solutions
08/14/1984US4465620 Surfactant, aminoalkylsulfide
08/08/1984EP0115450A1 Stabilization of aqueous solutions containing hydrogen peroxide, hydrogen fluoride and metallic ions
08/07/1984US4464441 Semiconductor disks
07/1984
07/24/1984CA1171337A1 Low temperature low foaming alkaline cleaner and method
07/19/1984WO1984001580A3 Methods of using strong acids modified with acid solutions
07/18/1984EP0113580A2 Heavy metal separation from copper-bearing wastes
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