| Patents for C23G 1 - Cleaning or pickling metallic material with solutions or molten salts (8,361) |
|---|
| 06/07/1977 | US4028281 Metal plate treating solution |
| 06/07/1977 | US4028055 Saturated aliphatic triamines |
| 05/31/1977 | US4026946 Corrosion inhibitors |
| 05/31/1977 | US4026777 Immersion in molten oxidizing salt, then in aqueous electrolyte |
| 05/24/1977 | US4025359 Hydrochloric acid, furfural, dialkylthiourea, water |
| 05/24/1977 | US4025036 Process for fabrication of high impact strength composites |
| 05/10/1977 | US4022703 Stabilization of hydrogen peroxide in acid baths for cleaning metals |
| 04/19/1977 | US4018869 Solvent extraction |
| 04/12/1977 | US4017368 Ammonium bifluoride, sulfuric acid |
| 04/05/1977 | US4016394 Cleaning with a hydrazine compound |
| 03/29/1977 | US4014804 Copper sulfate, alkali metal dichromate, phosphoric acid |
| 03/08/1977 | US4011097 Method of removing iron sulfide and sludge from metal surfaces |
| 03/01/1977 | US4010042 Aqueous solution of alkali metal fluoride |
| 02/22/1977 | US4009115 Sulfuric acid, hydrofluoric acid |
| 02/01/1977 | US4006067 Chromium, porous anode |
| 01/18/1977 | US4003856 Oil-soluble composition for removing iron sulfide and sludge from metal surfaces |
| 01/11/1977 | US4002676 Hydroxyethercarboxylic acids |
| 01/11/1977 | US4002489 Method of pickling metallic material |
| 12/21/1976 | US3998833 Diels-alder adducts of dihydro-nitrogen heterocyclic phosphoramidates |
| 12/14/1976 | US3997361 Nitric-phosphoric acid |
| 12/14/1976 | US3997293 Use of dihydro-nitrogen heterocyclic phosphoramidates as corrosion inhibitors |
| 12/07/1976 | US3996147 Novel sulfonium corrosion inhibitors in aqueous acid solutions |
| 12/07/1976 | US3996062 Polyphosphonic acids |
| 11/16/1976 | US3992313 Acid inhibitor composition and process in hydrofluoric acid chemical cleaning |
| 10/26/1976 | US3988254 Aluminum with hydrogen peroxy-monosulfate hydrogen sulfate |
| 10/19/1976 | US3986378 Method of reduction of an oxidized surface of copper or its alloys |
| 10/05/1976 | US3984203 Process of using thiophosphates as corrosion inhibitors for metals in aqueous acid systems |
| 09/28/1976 | US3982894 Method of inhibiting acidic corrosion of ferrous metals with polyquaternary amino polymers |
| 09/07/1976 | US3979311 Corrosion inhibitor compositions |
| 08/17/1976 | US3975215 Cleaner for tin plated ferrous metal surfaces |
| 08/10/1976 | US3974243 Carboxyphenyl-alkylphosphinic esters |
| 08/10/1976 | US3973998 Rinsing solutions for acid cleaned iron and steel surfaces |
| 07/13/1976 | US3969260 Corrosive inhibitor compositions |
| 07/13/1976 | US3969255 Hydrochloric acid, furfural dialkyl thiourea, benzyl thiocyanate |
| 07/13/1976 | US3969207 Method for the cyclic electrochemical processing of sulfuric acid-containing pickle waste liquors |
| 07/13/1976 | US3969164 Native oxide technique for preparing clean substrate surfaces |
| 07/13/1976 | US3969135 Low temperature aluminum cleaning composition and process |
| 06/22/1976 | US3965264 Diels-alder adduct of a phosphoramidate and a dienophile |
| 06/08/1976 | US3962109 Automotive cleaner plus inhibitor |
| 06/08/1976 | US3961991 Method for chemical treatment of the surface of an iron substrate with phosphoric acid solutions |
| 05/25/1976 | US3959166 Cleaner for automotive engine cooling system |
| 05/18/1976 | US3957553 Chelate compounds, oxidizers, 1a hydroxides |
| 05/18/1976 | US3957529 Sulfamic acid, citric acid, nonionic solvent and surfactant |
| 05/11/1976 | US3956010 Dry pickling method |
| 05/04/1976 | US3954645 Additive for an acid cleaning bath for metal surfaces |
| 05/04/1976 | US3954498 Aluminum foil cleaning process |
| 04/27/1976 | US3953306 Metal recovery from waste treatment sludges |
| 04/27/1976 | US3953263 Process for preventing the formation of nitrogen monoxide in treatment of metals with nitric acid or mixed acid |
| 04/20/1976 | US3951827 Composition and method for removing insoluble scale deposits from surfaces |
| 04/20/1976 | US3951681 Oxidation, chelation |
| 03/23/1976 | US3945865 In nitric acid baths containing hydrogen peroxide |
| 03/16/1976 | US3944682 Method of providing an electrophotographic coating and compositions for the method |
| 02/24/1976 | US3940294 Cooling of hot rolled steel stock |
| 02/10/1976 | US3938194 Method of and apparatus for obtaining synchronous movement between two media |
| 02/03/1976 | US3936316 Pickling solution |
| 01/27/1976 | US3935082 Process for making lead electrode |
| 01/20/1976 | US3933982 Method of stabilizing acid aqueous solutions of hydrogen peroxide |
| 01/20/1976 | US3933605 Non-polluting pickling method |
| 01/13/1976 | US3932237 Method for forming an insulating glass film on surfaces of an oriented silicon steel sheet |
| 01/06/1976 | US3931089 Acid compositions comprised of polymeric 2-acrylamido-2-methylpropanesulfonic acid as thickener |
| 01/06/1976 | US3930879 Closed alkaline wash water system for cleaning metal parts |