Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361)
02/1988
02/04/1988DE3625280A1 Purifier for drinking water plants
02/03/1988CN86106316A Method of surface treatment of melting super-purified aluminum welding wire
01/1988
01/27/1988CN86101522A Acid washing-passivating paste for stainless steel
01/26/1988US4721532 Removal of iron fouling in cooling water systems
01/21/1988DE3622032A1 Method of coating titanium and similar materials
01/14/1988WO1988000252A1 Pickling bath for steel parts and pickling method using said bath
01/14/1988DE3622505A1 Pickling agent for iron and aluminium materials
01/12/1988CA1231294A1 Compositions and processes for cleaning and passivating metals
01/07/1988EP0251955A1 Highly concentrated acid compounds for water treatment and plant cleaning
01/06/1988CN86104454A Method for reclaiming the used pickle of titanium and its alloy
01/05/1988US4717497 Solution of phosphate, nitrite and carbonate
12/1987
12/22/1987US4714517 Copper cleaning and passivating for tape automated bonding
12/17/1987DE3619890A1 Process for producing anode foils for electrolyte capacitors from aluminium
12/16/1987EP0119262B1 Solder stripping solution
12/15/1987US4713120 Aqueous solution of hydroxylamine sulfate, chelating agent and an alkaline compound or ph modifier
12/15/1987US4713119 Alternating treatment with acid solutions and basic solutions
12/02/1987CN86103745A Pickling solution for copper and copper alloy
12/01/1987US4710307 Antioxidant applied as dry powder
11/1987
11/24/1987US4708207 Aminocarboxylic acid, organosilicon compound
11/19/1987DE3711332C1 Process for improving the powder-metallurgical production of titanium-aluminium alloys
11/17/1987US4707191 Pickling process for heat-resistant alloy articles
11/11/1987EP0244417A1 Method for pickling iron or steel objects.
11/10/1987US4705665 Method for inhibiting oxidation of ferrous metals with alkyl glycosides and composition for cleaning ferrous metals
11/10/1987US4705594 Composition and method for metal surface refinement
11/10/1987US4705573 Descaling process
11/03/1987US4704208 Scale-inhibiting process
10/1987
10/27/1987CA1228600A1 Anionic surfactants
10/21/1987EP0242015A1 Method for protecting austenitic stainless steel-made equipment from occurrence of stress-corrosion cracking
10/21/1987EP0241779A2 Acid composition for washing the exterior of railway carriages and the like
10/07/1987EP0239701A2 Method of removing scale from wet oxidation treatment apparatus
10/06/1987USH348 Penetrating compound for the suppression of rusty-bolt intermodulation interference
09/1987
09/08/1987US4692252 Method of removing scale from wet oxidation treatment apparatus
09/02/1987EP0234425A2 Process for cleaning aluminium containers
08/1987
08/19/1987EP0233110A1 Acid-pseudoplastic compositions
08/12/1987EP0232092A2 Compositions and methods for removing tarnish from household articles
08/11/1987US4686049 Vaporization
08/11/1987CA1225409A1 Alkyl polyethylene glycol alkyl ethers as foam- inhibiting additives in low-foam cleaning agents
08/05/1987EP0230903A2 Process for cleaning aluminium containers
08/04/1987US4684507 Process of corrosion inhibition using compounds containing sulfur and amino groups
07/1987
07/28/1987US4683074 Stability and compatibility of glycosides in acid systems
07/16/1987WO1987004143A1 Scale removal composition comprising alpha-hydroxy carboxylic acid and thickener
07/16/1987DE3600415A1 Method and device for pretreating aluminium material intended for electroplating
07/15/1987EP0228501A2 Liquid agent for cleaning and descaling sanitary installations and method of manufacturing this agent
07/15/1987EP0228454A1 Compositions and methods for printed circuit board and/or printed wiring board cleaning and soldermask testing.
07/07/1987CA1223779A1 Method and apparatus for descaling metal strip
06/1987
06/30/1987CA1223686A1 Acrylic terpolymers based water-soluble complexing agents for metalic cations, with a high complexing power and a strong threshold action
06/24/1987EP0226016A1 Process for inhibiting hydrogen-induced corrosion of metallic materials
06/23/1987US4675125 Providing a nonsticky, nongreasy, corrosion-resistant protect ive coating
06/23/1987US4675120 Methods of using strong acids modified with acid solutions
06/23/1987CA1223182A1 Flavor aluminum cleaning composition and process
06/23/1987CA1223181A1 Process for treatment of oxide films prior to chemical cleaning
06/19/1987EP0220202A4 Recovery of mixed acids from mixed salts.
06/10/1987EP0225273A1 Continuous picklung method and apparatus
06/03/1987EP0224346A2 Scale removal treatment in subterranean formations
06/03/1987CN85108552A Treatment of chlorhydric acid pickling waste containing iron
06/02/1987US4670230 Using alkyl phosphoric acid compound and petroleum hydrocarbon diluent
06/02/1987US4670186 Acid inhibitor composition
05/1987
05/26/1987US4668421 Sulfuric acid, phosphoric acid, surfactant
05/26/1987CA1222122A1 Stabilisation of aqueous solutions containing hydrogen peroxide, hydrogen fluoride and metal ions
05/19/1987US4666528 Amino polycarboxylic acid and a phosphonic acid
05/13/1987EP0221142A1 Stability and compatibility of glycosides in acid systems
05/13/1987EP0221070A1 Process for the separation of emulsions containing water as a continuous phase and device for the application of the process.
05/12/1987CA1221783A1 Thixotropic rust removal coating and process
05/06/1987EP0220278A1 Method for inhibiting oxidation or acid attack of ferrous metals utilizing glycosides and cleaning compositions for ferrous metals
05/06/1987EP0220202A1 Recovery of mixed acids from mixed salts.
05/06/1987EP0220189A1 Process for the regeneration of cleaning and degreasing baths and device for application of the process.
05/05/1987US4663145 Inert balls, pyrolysis
05/05/1987US4663085 Apparatus for decontamination of radiation contaminated metallic waste
04/1987
04/29/1987EP0219945A2 Stabilisation of acidic hydrogen peroxide solutions
04/22/1987CN86107238A Rust-proof agent for oil and rust removing
04/21/1987US4659482 Water treatment polymers and methods of use thereof
04/21/1987US4659480 Terpolymer of ethylenically unsaturated compounds with allyl alkylene phosphite ethers
04/07/1987US4655955 Protective coatings
03/1987
03/31/1987US4654089 Plating baths
03/26/1987WO1987001739A1 Method for the acid etching of stainless steel products
03/24/1987US4652347 Acid activation baths
03/17/1987CA1219199A1 Cooling system cleaning composition
03/10/1987CA1218920A1 Wet process phosphoric acid brightening reagent for aluminum
03/04/1987EP0212894A2 Removal of iron fouling in cooling water systems
02/1987
02/26/1987DE3530132A1 Surface pickling and derusting paste for cleaning metal surfaces, especially made of alloy steel and/or aluminium and aluminium alloys
02/04/1987CN86103274A Alkaline cleaner for aluminum
02/03/1987US4640719 Method for printed circuit board and/or printed wiring board cleaning
02/03/1987US4640713 Potassium iodide, phosphoric acid; silver, brass and copper polish
01/1987
01/21/1987EP0208767A1 Solution for cleansing a cooling system
01/20/1987US4637899 Corrosion inhibitors for cleaning solutions
01/20/1987US4637833 Inhibiting corrosion: benzylsulfinylacetic acid or benzylsulfonylacetic acid
01/15/1987WO1987000209A1 Compositions and methods for printed circuit board and/or printed wiring board cleaning and soldermask testing
01/14/1987CN85105469A Method and device for pickling the workpiece in manufacture of pipe
01/13/1987US4636368 Stabilized acidic aqueous solutions containing hydrogen peroxide and metallic ions and processes
01/13/1987US4636327 Scale removal
01/13/1987CA1216489A1 Aqueous alkaline cleaning composition
01/07/1987EP0207587A1 High concentration sodium permanganate etch bath and its use in desmearing and/or etching printed circuit boards
01/07/1987EP0207586A1 Sodium permanganate etch baths and their use in cleaning, desmearing and/or etching resinous substrates
01/07/1987CN85105466A Acid-washing agent
12/1986
12/30/1986EP0206222A2 Alkaline detergent
12/30/1986EP0206144A1 Aqueous compositions for the Hilite and flux process, and their use
12/23/1986CA1215614A1 Brown stain suppressing phenol free and chlorinated hydrocarbon free photoresist stripper
12/10/1986EP0203965A1 Method and plant for regenerating a hydrochloric solution
12/04/1986WO1986007099A1 Patina remover, process for its preparation, and method for removing patina
12/02/1986US4626417 Methods for chemically reducing nitrogen oxides
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