| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 09/02/1992 | CN1064107A Method for preparing pellet sintered ore |
| 09/01/1992 | US5143356 Sintering machine |
| 08/26/1992 | EP0499779A1 Method for treatment of waste materials |
| 08/25/1992 | US5141687 Homogenizing magnesium and aluminum oxides, comminuting, roasting, milling, suspending in water with dispersants, plasticizers, binders, stirring, spray drying, compressing, sintering |
| 08/19/1992 | EP0499134A2 Fluxless solder |
| 08/18/1992 | US5139704 Fluxless solder |
| 08/18/1992 | US5139567 Process for recovering valuable metals from a dust containing zinc |
| 08/12/1992 | EP0498788A1 An arrangement for the thermal treatment of, and/or for passing a gas through, granular substances |
| 08/04/1992 | US5135176 Method of recycling of oil filters |
| 07/29/1992 | EP0236480B1 Production of hydrogen by deserpentinization of ultramafic rock |
| 07/28/1992 | US5133808 Cleaning process for radioactive machine shop turnings |
| 07/23/1992 | DE4101584A1 Mfr. of briquettes from rolling mill scale - for reuse in steel-making processes |
| 07/21/1992 | US5132102 Mineral processing |
| 07/17/1992 | CA2034308A1 Sintered high titanium agglomerates |
| 07/16/1992 | DE4100540A1 Briquetting steel swarf to produce compacts for use in steel mfr. - comprising swarf mixing, liquid addition, pressing and drying |
| 07/15/1992 | CN1062767A Brown iron ore ball produced technology and equipment by vertical furnace method |
| 07/08/1992 | CN1062554A Regenerated silicoferrite brick |
| 07/08/1992 | CN1062553A Technology for roasting concentrated iron ore pellets on band-type roasting machine |
| 07/07/1992 | US5127958 Removal of metallic coatings from polymeric substrates |
| 07/07/1992 | US5127943 Treatment of reclamation baghouse dust |
| 07/07/1992 | US5127940 Self-fluxing pellets to be charged into blast furnace, and method for producing same |
| 07/07/1992 | US5127939 Synthetic olivine in the production of iron ore sinter |
| 07/07/1992 | CA1304586C Process and apparatus for the production of green briquettes for the formation of silicon, silicon carbide or ferrosilicon |
| 07/02/1992 | DE4039613A1 Equipment for continuous counterflow washing of loose goods with liq. - comprises inclined internal helical flights with radial slots |
| 06/30/1992 | US5125966 Slurrying with water and surfactant, high shear agitation to form emulsion, separation of solids |
| 06/23/1992 | US5124214 Recycling scrap metal |
| 06/23/1992 | US5124008 Multistep processing in definite sequence; recycling all reactants and reagents; heat recovery |
| 06/23/1992 | US5123956 Immobilizing arsenic as ferric arsenate |
| 06/23/1992 | CA1303862C Method for working-up waste products containing valuable metals |
| 06/17/1992 | EP0490743A2 Method for controlling metal oxide fume generation during the oxygen-induced subdivision of a body containing metal values |
| 06/17/1992 | EP0490148A2 Process and apparatus for operating a briquetting press |
| 06/17/1992 | EP0489808A1 Dry cold process for making foundry dusts into briquettes. |
| 06/17/1992 | DE4039612A1 Separating waste material containing turnings - by pressure-feeding into gap between rotating brush and inclined support surface |
| 06/16/1992 | US5122181 Process and apparatus for melting contaminated metalliferrous scrap material |
| 06/13/1992 | CA2057457A1 Method and apparatus for controlling metal oxide fume generation during the oxygen-induced subdivision of a body containing metal values |
| 06/03/1992 | EP0487961A2 Process and device for the recuperation of non-returnable packing materials |
| 06/02/1992 | CA1302095C Compositions for iron ore agglomeration |
| 05/27/1992 | EP0487379A2 Method of anti-pollution treatment of a used refining catalyst and complete recuperation of the different metal constituents of this catalyst |
| 05/26/1992 | USRE33935 Apparatus and method for feeding sintering raw mix |
| 05/26/1992 | US5116588 Process for reduction of sulfur emission during sintering processes |
| 05/26/1992 | CA1301463C Process and apparatus for introducing metal chips into a molten bath thereof |
| 05/15/1992 | CA2029939A1 Use of synthetic olivine in the production of iron ore sinter |
| 05/13/1992 | CA2055280A1 Process for antipollution treatment of a spent refining catalyst and total recovery of different metal constituents of said catalyst |
| 05/12/1992 | US5112582 Agglomerating agents for clay containing ores |
| 05/12/1992 | US5112391 Method of forming ore pellets with superabsorbent polymer |
| 05/06/1992 | CN1060874A Briquetting method for powdered alloy |
| 05/05/1992 | US5110427 Recycling of aluminum; electrochemistry |
| 04/29/1992 | CN1060682A Alloy powder material ball-made method |
| 04/28/1992 | US5108481 Pelletized ferrous sulfate monohydrate product and method for making the same |
| 04/28/1992 | CA1299372C Process of making binderless briquets from steelworks dusts |
| 04/22/1992 | CN1060500A Improved process for separating ilmenite |
| 04/21/1992 | US5106487 Parts separator device for separating heavy materials from chips and lubricants |
| 04/15/1992 | CN1060351A Cooling apparatus for bulk material |
| 04/15/1992 | CN1060313A Technology for producing cast iron parts with iron or steel filings |
| 04/15/1992 | CN1060312A Process and apparatus for sintering operation |
| 04/14/1992 | US5104446 Fine particles of metallurgy wastes; using combustable agglomeration agent |
| 04/14/1992 | US5104445 Extracting metals from ore by contacting with a solid salt to obtain a mixture, heating and chlorination and recovering the metals |
| 04/09/1992 | DE4037511C1 Aluminium@ packaging material recovery - involves toothed pressing rollers and brush rollers between them |
| 04/08/1992 | CN1016184B Method for roasting ores into ball agglomeration |
| 04/07/1992 | US5102586 Agglomerating process of sinter mix and apparatus therefor |
| 04/07/1992 | US5102455 Mixing a water insoluble, nonswelling material with a dry binder in the presence of moisture and bonding |
| 04/02/1992 | WO1992005290A1 Modified native starch base binder for pelletizing mineral material |
| 04/01/1992 | EP0478322A1 Pyrometallurgical process for treating a feed material |
| 03/31/1992 | US5100631 Water soluble polymer for agglomerating fines |
| 03/31/1992 | US5100467 Agglomeration of particulate material mixed prior to addition of polymer |
| 03/31/1992 | US5100464 Steel mill by-product material briquettes and pellets |
| 03/24/1992 | CA1297840C Mineral recovery process |
| 03/18/1992 | EP0475449A1 Method and apparatus for sintering operation |
| 03/18/1992 | EP0474704A1 Pre-heating and pre-reduction of metal oxide ore using high temperature off-gases |
| 03/17/1992 | US5096678 Method and apparatus for beneficiating ores |
| 03/11/1992 | EP0474573A1 Process and installation for upgrading magnetic fines from ferruginous wastes resulting from the making of iron and steel |
| 03/11/1992 | CN1059370A Chromium slag detoxication and smelting method of pig iron containing chrome |
| 03/03/1992 | CA1296531C Chlorination of ores containing alkali or alkaline earth values |
| 03/01/1992 | WO1992004121A1 Process for separating ilmenite |
| 02/20/1992 | WO1992001073A3 Process for manufacturing metal products using scrap metal |
| 02/13/1992 | DE4028541C1 Method of separating machine tool waste - has oil coated swarf pressed and fluid separated prior to heating or metal |
| 02/11/1992 | US5087293 Using combustible agent dispersed in aqueous emulsion |
| 02/06/1992 | WO1992001825A1 Decontamination and/or surface treatment of metals |
| 02/05/1992 | EP0470066A2 Process for melting steel from scrap and/or metal-containing waste material |
| 02/05/1992 | CN1058426A Method for reclaiming cast silicon iron powder |
| 01/28/1992 | CA1294761C Apparatus for treatment of ore particles |
| 01/23/1992 | WO1992001073A2 Process for manufacturing metal products using scrap metal |
| 01/22/1992 | EP0467874A1 Method for reprocessing steel mill dust and installation using this method |
| 01/22/1992 | EP0467739A1 Method for manufacturing agglomerates and products thus obtained |
| 01/21/1992 | US5082638 Process of recovering non-ferrous metal values, especially nickel, cobalt, copper and zinc, by using melt and melt coating sulphation, from raw materials containing said metals |
| 01/15/1992 | EP0426731A4 Sintered high titanium agglomerates |
| 01/15/1992 | CN1057864A Regenerated silicon-iron block |
| 01/14/1992 | CA1294131C Process for reduction smelting of materials containing base metals |
| 01/07/1992 | US5078927 Mixing pitch and(or) coal with quartz sand |
| 01/02/1992 | EP0463666A1 Sintering machine |
| 01/02/1992 | EP0463442A1 Process and device for preparing wastes from machining by removal of ferromagnetic materials |
| 01/01/1992 | CN1057489A New method for processing of nickel oxide ore |
| 01/01/1992 | CN1057487A Prereduction furnace of senelting reduction facility of iron ore |
| 01/01/1992 | CN1015252B Desulfurization of gypsum |
| 12/31/1991 | US5077022 Anionic copolymer of acrylamide and acrylic acid; heap leaching with caustic cyanide |
| 12/31/1991 | US5077021 Percolation leaching of gold using anionic acrylamide-acrylic acid copolymer |
| 12/24/1991 | US5074909 Gold and silver recovery method |
| 12/24/1991 | CA1293381C Process and apparatus for removing volatiles from metal |
| 12/24/1991 | CA1293351C Water absorbing polymers |
| 12/20/1991 | CA2044637A1 Sintering machine |