| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
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| 01/15/1980 | CA1069658A1 Process for fabrication of high impact strength composites |
| 01/01/1980 | US4181091 Apparatus for pickling cast rod |
| 12/25/1979 | US4180639 Heat and chemical resistant elastomers |
| 12/25/1979 | US4180469 Cleaning industrial equipment; corrosion resistance |
| 12/25/1979 | CA1068584A Process for removing calcium oxalate scale |
| 12/12/1979 | EP0006017A2 Method of anti-corrosion treatment |
| 12/04/1979 | US4177119 Process for recovery of waste H2 SO4 and HCl |
| 11/13/1979 | US4174290 Metal oxide remover containing a strong mineral acid, citric acid and a basic ammonia derivative |
| 11/13/1979 | US4174269 Maintaining metal body anodic in aqueous hydroxy acid solution to decrease electrode potential |
| 09/25/1979 | CA1062999A1 Cleaning of hard surfaces |
| 09/18/1979 | CA1062590A1 Reactor decontamination process |
| 08/28/1979 | US4166098 Solvent extraction |
| 08/07/1979 | CA1059881A1 Formation of nickel phosphate coatings on iron or steel |
| 07/03/1979 | CA1057632A1 Cleaning composition for aluminum containing phosphates |
| 07/03/1979 | CA1057631A1 Cleaning composition for aluminum containing borates |
| 07/03/1979 | CA1057630A1 Metal dissolution process |
| 06/26/1979 | CA1057234A1 Apparatus for the electrolytic regeneration of hexavalent chromium compounds and recovery of metals from waste bichromate solutions |
| 06/26/1979 | CA1057154A1 Detergent compositions |
| 06/19/1979 | CA1056702A1 Composition and method for cleaning aluminum at low temperatures |
| 06/12/1979 | US4157941 Method of adherency of electrodeposits on light weight metals |
| 06/05/1979 | CA1055822A1 De-smutting agent |
| 06/05/1979 | CA1055820A1 Native oxide technique for preparing clean substrate surfaces |
| 05/15/1979 | US4154791 Inhibition of corrosive attack by sulfuric acid on carbon steel |
| 05/15/1979 | CA1054497A1 Low temperature aluminum cleaning composition and process |
| 04/17/1979 | US4149951 For pickling liquor, electrolytic cells with permselective microporous membrane |
| 04/17/1979 | US4149946 Recovery of spent pickle liquor and iron metal |
| 04/10/1979 | US4148700 Method for purifying the liquor of a galvanizing process plant after contamination |
| 03/27/1979 | US4146711 Sulfone containing quaternary ammonium derivatives of 1,4-thiazines |
| 03/27/1979 | US4146709 Corrosion inhibitors, microbiocides |
| 03/22/1979 | WO1979000137A1 Method of separating a solid and a liquid phase of a mass |
| 03/13/1979 | US4144092 Evaporation, crystallization of metal components |
| 03/13/1979 | CA1050401A1 Solutions for cleaning surfaces of copper and its alloys |
| 02/21/1979 | EP0000701A2 Process for the removal of silicon dioxide residue from a semiconductor surface |
| 02/20/1979 | US4140772 Saccharin or alkali metal salt thereof |
| 01/23/1979 | US4135947 Method of cleaning surfaces with CO2 -neutralized amine compositions |
| 01/16/1979 | CA1046387A1 Method and composition for cleaning the surface of ferrous metal |
| 01/02/1979 | US4132568 Process and composition for pickling metal surfaces |
| 12/19/1978 | CA1044641A1 Processes and installations for the regeneration of spent pickling solutions |
| 12/12/1978 | CA1044174A1 Tinned steel plate free from surface graphite |
| 12/05/1978 | US4128465 Caustic soad |
| 11/21/1978 | US4126483 Aluminum-zinc article |
| 11/07/1978 | US4124504 Process for treating caustic wash solutions |
| 11/07/1978 | US4124462 Solvent extraction |
| 11/07/1978 | US4124408 Aqueous ethylenediaminetetraacetic acid |
| 11/07/1978 | US4124407 Method for cleaning aluminum at low temperatures |
| 10/10/1978 | US4119437 Leaching with aqueous ammonium chloride, ammonium bisulfate, acetic acid or its mixture with sodium acetate |
| 09/26/1978 | US4116853 Hydrofluoric acid, sulfuric acid |
| 09/26/1978 | US4116714 Aqueous phosphoric acid |
| 09/26/1978 | US4116713 For heavy vehicles such as railroad equipment |
| 09/12/1978 | US4113588 From pickling metallic materials |
| 09/12/1978 | US4113511 Liquid additions to fused chemical baths |
| 09/12/1978 | CA1038269A1 Cooling of hot rolled steel stock |
| 09/05/1978 | US4111722 Tannin treatment of aluminum with a fluoride cleaner |
| 08/22/1978 | US4108680 Process for removing calcium oxalate scale |
| 08/15/1978 | US4107267 Concentration, oxygen, hydrogen combustion gases, iron oxide |
| 08/08/1978 | US4105469 Process for regenerating a pickle acid bath |
| 08/01/1978 | US4104303 Reaction of amine, acetophenone or acetone, and formaldehyde in presence of hydroxyacetic acid |
| 07/18/1978 | US4101674 Halogen derivatives of alkynoxymethyl amines as microbiocides |
| 07/18/1978 | US4101438 Sulfonium compounds as corrosion inhibitors in aqueous acidic cleaning solutions |
| 07/18/1978 | US4101437 Condensation product of dialkylthiourea with hexamethylenetetramine |
| 06/27/1978 | US4097306 Method of cleaning swarf |
| 06/27/1978 | US4096871 Drain opening method |
| 06/27/1978 | US4096869 Formulation for the dissolution of gypsum |
| 06/13/1978 | US4094701 Method for cleaning tin surfaces |
| 06/06/1978 | US4093566 Sodium metasilicate, sodium carbonate, disodium edta |
| 05/16/1978 | US4089703 Removing solid paraffins |
| 05/16/1978 | US4089650 Use of Diels-Alder adducts of dihydro-nitrogen heterocyclic phosphoramidates as corrosion inhibitors |
| 04/11/1978 | US4083693 Hydrochloric acid |
| 04/04/1978 | US4082832 Treatment of raw materials containing titanium |
| 04/04/1978 | US4082683 Cleaning of hard surfaces |
| 03/21/1978 | US4080226 Method of improving plating properties of magnetic alloy materials containing niobium with an electric contact material |
| 03/14/1978 | US4078949 Method for improving the surface quality of stainless steels and other chromium-bearing iron alloys |
| 03/07/1978 | US4077997 Sequestering agents, basic catalyst, saponification |
| 02/28/1978 | US4076618 Treatment of liquids containing complexed heavy metals and complexing agents |
| 02/28/1978 | US4076553 Zinc coated metal wools |
| 02/14/1978 | US4073662 Method for removing a magnesia doped alumina core material |
| 01/31/1978 | US4071746 Alkylbenzyl pyridinium compounds and uses |
| 01/31/1978 | US4071431 Installation for the treatment of metals pickling solutions |
| 01/17/1978 | US4069225 Corrosion inhibitor for acid pickled metals |
| 01/10/1978 | US4067734 Titanium alloys |
| 01/03/1978 | US4066521 Metallic descaling system |
| 12/27/1977 | US4065502 Certain β-diketones and the use thereof as metal extractants |
| 12/27/1977 | US4065260 Halogen derivatives of alkynoxymethyl amines as corrosion inhibitors |
| 12/20/1977 | US4063968 Formation of nickel phosphate coatings on iron or steel |
| 11/22/1977 | US4059678 Stabilization of iron-containing acidic hydrogen peroxide solutions |
| 11/15/1977 | US4058441 Process for the regeneration of spent pickling solutions |
| 11/08/1977 | US4057554 Quaternary ammonium salts of polyepihalohydrin |
| 09/27/1977 | US4051057 Solutions for cleaning surfaces of copper and its alloys |
| 09/20/1977 | US4049788 Thermal transformation of metal chlorides to oxides in a fluidized bed |
| 09/13/1977 | US4048121 Phosphate-free, builders, wetting agents, complexing agents |
| 09/06/1977 | US4046620 Cleaning with organic acid, nonionic surfactant solution, activating with potassium persulfate, sulfuric acid solution |
| 08/30/1977 | US4045253 A base, an oxygen containing gas, hydrazine, an iron complexing agent |
| 08/09/1977 | US4040863 Method of treating surface of copper and its alloys |
| 08/02/1977 | US4039405 Leaching copper ores and solvent extraction of the copper-bearing solutions |
| 08/02/1977 | US4039349 Method and apparatus for multi-stage rinsing |
| 07/05/1977 | US4033838 Regeneration of nitric acid |
| 06/28/1977 | US4032466 An inorganic and organic acid, an anionic and nonionic surfactant, a flocculating agent, water |
| 06/28/1977 | US4032360 In situ salt formation from diamine and acetic acid |
| 06/21/1977 | US4030548 Economically dissolving barium sulfate scale with a chelating agent |
| 06/21/1977 | US4030521 Method for liquid level control |