| Patents for C04B 5 - Treatment of molten slag; Artificial stone from molten slag (971) |
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| 05/06/1992 | EP0393043B1 Methods of making cementitious compositions from waste products |
| 05/06/1992 | CA2073170A1 Spherical hydraulic substance and production thereof |
| 04/14/1992 | US5103743 Method and apparatus for drying solid material |
| 03/03/1992 | US5092932 Oxidation of sulfides and phosphides in slags; portland cements |
| 01/08/1992 | CN1057599A Comprehensive utilization technology for open-hearth furnace cinder |
| 11/20/1991 | CN1056347A Apparatus for using hazardous waste to form non hazardous aggregate |
| 11/14/1991 | WO1991016846A1 Apparatus for using hazardous waste to form non-hazardous aggregate |
| 11/13/1991 | EP0455873A2 Apparatus for using hazardous waste to form non hazardous aggregate |
| 11/06/1991 | CN1014602B Process of self-decomposition for vessel slag afterheat |
| 10/22/1991 | US5058813 Precrushing; ball or tube milling; smaller diameter grinding elements; energy efficient |
| 09/24/1991 | US5051190 Process and device for cleaning slag from refuse incinerators |
| 09/10/1991 | US5046435 Process and apparatus for combustion of waste, such as household and other waste, and afterburning of residues from the combustion |
| 05/08/1991 | CN1012572B Preparation of aerated concrete using converter slag |
| 02/20/1991 | CN1049298A Heating and treatment of particulate material |
| 02/10/1991 | WO1991001799A1 Heating and treatment of particulate material |
| 01/23/1991 | EP0408702A1 Process and device for combustion and post-combustion of residues. |
| 01/22/1991 | US4986197 Apparatus for using hazardous waste to form non hazardous aggregate |
| 12/18/1990 | US4978107 Apparatus for producing foamed blast furnace slag |
| 12/12/1990 | EP0290488A4 Treatment of waste and a rotary kiln therefor |
| 12/05/1990 | EP0393043A4 Methods of making cementitious compositions from waste products |
| 11/22/1990 | EP0207995B1 Installation for granulation of metallurgic melt |
| 11/06/1990 | CA1275943C "filterbett" filter bed |
| 10/24/1990 | EP0393043A1 Methods of making cementitious compositions from waste products. |
| 10/10/1990 | EP0390923A1 Method of obtaining active mineral admixture to cementing materials |
| 08/15/1990 | CN1009207B Process and apparatus for manufacturing slag sand (granular solids) with blast furnace slag |
| 07/25/1990 | CN1044080A Energy-saving stone casting producing equipment |
| 07/12/1990 | WO1990007681A1 Process and device for combustion and post-combustion of residues |
| 07/12/1990 | CA2023955A1 Procedure and apparatus for the combustion and afterburning of residues |
| 06/13/1990 | EP0372039A1 Process and device for processing residues from refuse incinerators. |
| 05/23/1990 | EP0368962A1 Process and device for cleaning slag from refuse incinerators. |
| 05/09/1990 | EP0366759A1 Process for size reduction of brittle grinding material. |
| 04/25/1990 | EP0365515A2 Device for making foundry pumice |
| 04/17/1990 | CA1267783A1 Dross cooling |
| 04/05/1990 | WO1990003345A1 Method of obtaining active mineral admixture to cementing materials |
| 04/04/1990 | CN1007410B Method of converting particles liberated in chemical or physical processes into a harmless from by mixing with a motion silicate-containing material and also material formed |
| 03/20/1990 | US4909837 Process and apparatus for granulating molten slag |
| 03/20/1990 | US4909821 Perforated rotary drum; blades; water tank |
| 01/30/1990 | US4897201 Composition and a process for promoting dewatering of granulated slag |
| 01/02/1990 | US4890563 Treatment of waste and rotary kiln therefor |
| 12/28/1989 | WO1989012609A1 Process and device for processing residues from refuse incinerators |
| 12/14/1989 | WO1989011912A1 Process and device for cleaning slag from refuse incinerators |
| 12/07/1989 | DE3817845A1 Process for the pollution-free immobilization of dust, which contains water-soluble compounds polluting the environment, from steelworks dedusting installations |
| 11/21/1989 | US4882303 Modified steel slag and method of manufacturing the same |
| 11/16/1989 | WO1989010790A1 Process for size reduction of brittle grinding material |
| 10/19/1989 | WO1989009751A1 Process for treating granular slag formed during the production of hematite iron and phosphoric iron |
| 09/20/1989 | EP0333242A1 Process and apparatus for granulating molten slag |
| 07/11/1989 | US4846083 Heat treatment in kiln to liquid slag |
| 06/27/1989 | US4842255 Dross cooling apparatus |
| 06/01/1989 | WO1989004815A1 Methods of making cementitious compositions from waste products |
| 05/31/1989 | CN1004349B Composition and a process for promoting dewatering of granulated slag |
| 03/23/1989 | WO1989002568A1 Method and apparatus for drying solid material |
| 12/07/1988 | EP0293982A1 Process for the treatment of contaminated mineral materials |
| 11/17/1988 | EP0290488A1 Treatment of waste and a rotary kiln therefor. |
| 11/02/1988 | CN87102831A Comprehensive utilization of high temp. liquid fe-contg. slag |
| 10/18/1988 | US4778523 Process for using steelmaking slag |
| 08/16/1988 | US4764216 Method of converting particles liberated in chemical or physical processes into a harmless form by mixing with a molten silicate-containing material |
| 07/19/1988 | US4758260 Process and device for producing granulated slag sand from blast furnace slag |
| 07/12/1988 | US4756761 Methods of making cementitious compositions from waste products |
| 07/12/1988 | CA1239152A1 Method converting particles liberated in chemical or physical process into a harmless form by mixing with a molten silicate-containing material |
| 06/29/1988 | CN87107033A Treatment of waste and rotary kiln therefor |
| 04/26/1988 | US4740300 For separation of water from granulated blast furnace slag, through layers of gravel |
| 04/07/1988 | WO1988002284A1 Treatment of waste and a rotary kiln therefor |
| 03/09/1988 | CN87104178A Waste sand-slag composite |
| 11/11/1987 | CN86103047A Process of self-decomposition for vessel slag afterheat |
| 11/04/1987 | CN86102603A Process and apparatus for manufacturing slag sand (granular solids) with blast furnace slag |
| 09/01/1987 | CA1226137A1 Air-pulverizing apparatus for high-temperature molten slag |
| 07/14/1987 | CA1224032A1 Filtering apparatus effecting uniform charging of a conveyer |
| 07/07/1987 | US4678419 Arrangement for the production of vitrified slag |
| 07/07/1987 | US4678168 Tilting channel arrangement for guiding a molten material |
| 06/09/1987 | US4671752 Air-pulverizing apparatus for high-temperature molten slag |
| 06/03/1987 | EP0224343A1 Dross cooling |
| 04/29/1987 | CN86107185A Using converter slag for the preparation of aerated concrete |
| 04/07/1987 | US4655831 Method of stabilizing a steel making slag |
| 03/24/1987 | US4652310 Adding reforming agent, cooling, adding lime, plaster, cement |
| 02/18/1987 | CN85106457A Production of microporous high loading bricks by steam pressuring of coal ash |
| 01/14/1987 | EP0207995A1 Installation for granulation of metallurgic melt |
| 01/10/1987 | CN85101592A High value cinder product made from slag processed by spraying powder method |
| 01/07/1987 | CN85105246A Reuse of steel slag |
| 01/07/1987 | CN85104833A Composition and a process for promoting dewatering of granulated slag |
| 10/09/1986 | WO1986005819A1 Process and installation for the production of slag sand (granulate) from blast furnace slag |
| 10/09/1986 | WO1986005818A1 Process and device for producing granulated slag sand from blast furnace slag |
| 10/07/1986 | US4615677 Arrangement for recovering the sensible heat of dumpable hot stock |
| 09/17/1986 | EP0194997A1 Arrangement for the production of vitrified slag |
| 07/17/1986 | WO1986004052A1 Installation for granulation of metallurgic melt |
| 07/02/1986 | EP0186224A1 A method of converting particles liberated in chemical or physical processes into a harmless form by mixing with a molten slag |
| 06/11/1986 | EP0184085A2 Filter bed |
| 05/27/1986 | CA1204940A1 Process and installation for granulation of slag |
| 05/10/1986 | CN85109108A Method of converting particles liberated in chemical or physical processes into a harmless from by mixing with a molten silicate-containing material and also material formed |
| 03/26/1986 | EP0175675A2 Tilting channel for guiding a molten material |
| 03/12/1986 | EP0174293A1 Apparatus for recovering the sensible heat from dumpable hot material |
| 12/31/1985 | US4561885 Using slag from smelting process as lining for vessel |
| 10/08/1985 | US4545797 Calcining and treating with aqueous base or acid |
| 05/21/1985 | US4518498 Metallurgical slag filtering apparatus which effects uniform charging of a conveyer belt |
| 03/19/1985 | CA1184007A1 Apparatus for the pelletization of heat liquifiable solid materials |
| 01/23/1985 | EP0131668A1 Process for obtaining granules from steelwork slag |
| 01/22/1985 | US4494971 Process and apparatus for granulation of slag |
| 01/08/1985 | CA1180691A1 Grinding aids for granular blast furnace slag |
| 08/28/1984 | CA1173242A1 Apparatus for manufacturing rapidly cooled solidified slag |
| 05/29/1984 | US4451221 Apparatus for the pelletization of heat-liquifiable solid materials |
| 03/13/1984 | CA1163651A1 Grinding aid for granular blast furnace slag |