| Patents for C04B 7 - Hydraulic cements (9,126) |
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| 12/01/1994 | DE4338484C1 Use of a refractory, ceramic brick based on MgO for lining rotary cement kilns |
| 11/30/1994 | CN1095697A Method for adjusting formulation of easy-burning cement raw material |
| 11/23/1994 | CN1026665C Hardening granulated material at elevated temperatures |
| 11/22/1994 | US5366548 Blending, compression for pollution control |
| 11/22/1994 | US5365866 Method and apparatus for treating exhaust gases from preheater and preheater/precalciner kilns burning hazardous waste fuels |
| 11/16/1994 | CN1095050A Narrow fire low kiln for calcining cement clinker |
| 11/16/1994 | CN1095049A Multifunctional portland fly-ash cement |
| 11/15/1994 | US5364446 Entrainment; high speed; roasting; molten bath reactors |
| 11/15/1994 | US5364265 Equipment for and method of precalcining any mineral materials whatsoever |
| 11/15/1994 | US5363780 Apparatus and methods for burning waste, and waste slurries |
| 11/10/1994 | WO1994025411A1 Method for producing cement |
| 11/10/1994 | DE4315212A1 Firing system with precalciner and dehydrator |
| 11/08/1994 | US5362321 Chromate, manganese compound |
| 11/08/1994 | US5362319 Making environmentally stabilized formed bodies useful as unfused building materials by mixing fly ash or bottom ash with oxidant to promote oxidation of at least part of the ash, providing water to keep mixture plastic, forming, hardening |
| 11/02/1994 | EP0622598A1 Control process for discharging fines through the grate of a grate cooler |
| 11/02/1994 | EP0622596A1 Method and apparatus for sintering cement clinker |
| 11/02/1994 | EP0622108A1 Process for removing nitrogen oxides from exhaust gases resulting from the manufacture of cement |
| 11/02/1994 | CN1094383A Vertical kiln producing method for sulfo-aluminous cement |
| 11/02/1994 | CN1094382A Slag alkali cement and its producing method |
| 10/25/1994 | US5358676 Pressurizing, molding, shaping a self-supporting structure, hydrating with an aqueous solution without mechanical mixing |
| 10/18/1994 | US5356579 Incorporating solid removable aggregates into powdered cement which later completely dissolve, evaporate, volatilize or melt leaving voids |
| 10/18/1994 | US5356472 Portland cement clinker and portland cement |
| 10/13/1994 | WO1994022781A1 Method and device for producing a binder |
| 10/13/1994 | DE4312102A1 Method of disposing of asbestos-cement structural elements with regard to material recovery |
| 10/12/1994 | EP0619278A2 Process for stabilising and solidifying pollutant waste materials, products thus obtained and products for carrying out this process |
| 10/12/1994 | CN2179378Y Verticle kiln tuyere pipe spraying device |
| 10/12/1994 | CN1093349A Hydraulic composition and process for producing concrete pile using the same |
| 10/05/1994 | EP0618344A2 Downhole cement composition |
| 10/04/1994 | US5351759 Slag-cement displacement by direct fluid contact |
| 09/29/1994 | WO1994021381A1 Device for crushing and cooling a material leaving a burning oven |
| 09/29/1994 | DE4335723A1 Process and apparatus for producing a binder |
| 09/28/1994 | EP0557368B1 Magnetic cement-bound bodies |
| 09/28/1994 | CN1092751A Interground fiber cement |
| 09/28/1994 | CN1092746A Energy-saving technique of drying wet slag with clinker from vertical kiln |
| 09/27/1994 | US5349910 Method and apparatus for incinerating waste in a cement kiln plant |
| 09/22/1994 | DE4308906A1 Hydraulic mixture and use thereof for producing concrete pillars |
| 09/21/1994 | EP0616184A1 Packed bed device with gas treatment, especially cooler |
| 09/21/1994 | CN1092391A Producing method for cement doped active materials |
| 09/21/1994 | CN1092390A Cement producing process using aluminium sulfate slag as raw and mix materials |
| 09/14/1994 | EP0614451A1 Method for manufacturing cement. |
| 09/14/1994 | CN2177013Y Homogenizing device for feeding material in homogenizing store house |
| 09/14/1994 | CN1092046A Method for manufacture of slag cement containing activator |
| 09/13/1994 | US5346549 Mixing ash and papermill waste with an oxidant, providing water to render mixture plastic, forming bodies and hardening |
| 09/13/1994 | US5346012 Fine particle size cement compositions and methods |
| 09/07/1994 | EP0613867A1 Method for manufacturing a pozzolanic material from paper sludge |
| 09/07/1994 | EP0540552B1 Process for producing lime hydrate-rich binders for concretes and mortars, and use of the binders thus produced |
| 09/07/1994 | CN1091727A Method for solving cement stability |
| 09/01/1994 | WO1994019574A1 Method for drilling and cementing a well |
| 09/01/1994 | WO1994019293A1 A process and system for producing cementitious materials from ferrous blast furnace slags |
| 09/01/1994 | CA2156856A1 Method for drilling and cementing a well |
| 08/31/1994 | CN1091400A Micrc computer control system for pre-watering cement to granulate |
| 08/24/1994 | CN1091114A Cement containing full yellow phosphorus slag |
| 08/23/1994 | US5340618 Corrosion resistant surface treatment of a powder |
| 08/23/1994 | US5340397 A pumpable aqueous slurry consisting of a methylenephosphonic acid derivative to prevent premature gelation |
| 08/23/1994 | US5339751 Apparatus and method for charging combustible solids into a rotary kiln |
| 08/23/1994 | CA1331632C Cement composition |
| 08/18/1994 | WO1994017914A1 Device for cooling hot granular material |
| 08/17/1994 | EP0611081A2 Fine particle size cement compositions |
| 08/17/1994 | EP0610521A1 Process for the disposal of hazardous waste in a cement kiln |
| 08/16/1994 | US5339377 Optical fiber splicer for ribbon-shaped optical fiber cords |
| 08/11/1994 | DE4303170A1 Process and apparatus for the thermal treatment of pulverulent raw materials |
| 08/10/1994 | EP0610000A2 Method of treating pulverulent material |
| 08/10/1994 | EP0609365A1 A method for production of concrete, light ballast concrete or mortar, having heat insulating properties, and use thereof |
| 08/09/1994 | US5336317 Process for making cement using low-grade fuels |
| 08/04/1994 | WO1994017007A1 Interground fiber cement |
| 08/03/1994 | CN1090261A Production of composite white powder for construction |
| 08/03/1994 | CN1090260A Portland cement containing sulphur-slag and its production |
| 08/02/1994 | US5333690 Cementing with blast furnace slag using spacer |
| 08/02/1994 | CA2114512A1 Fine particle size cement compositions and methods |
| 07/27/1994 | WO1994017006A1 Process for producing cement from metallurgical slag |
| 07/27/1994 | CN1089928A Slag cement for road |
| 07/20/1994 | EP0606692A1 Method and apparatus for injecting sludge into a kiln |
| 07/20/1994 | EP0426813B1 Process for manufacturing clinkers |
| 07/20/1994 | CN1089582A Double burden process for burning clinker of cement |
| 07/20/1994 | CN1089581A Igredient for cement raw material used as high-efficiency agent for dilution and grinding aid |
| 07/19/1994 | US5330572 Method of slaking quicklime contained in ash |
| 07/19/1994 | US5330006 Oil mud displacement with blast furnace slag/surfactant |
| 07/13/1994 | CN1089245A Method for using talc & molasses as cement grinding aid |
| 07/13/1994 | CN1089244A Method and plant for manufacturing cement and clinker |
| 07/12/1994 | US5328507 Hydraulic cements with aggregates |
| 07/12/1994 | CA2105760A1 Stacked rubber tire separation-transport apparatus |
| 07/12/1994 | CA2087083A1 Method and apparatus for injecting sludge into a kiln |
| 07/07/1994 | WO1994014719A1 A process for the manufacture of cement and use of used flue gas cleaning mass containing calciumfluoride |
| 06/30/1994 | DE4344232A1 Adding waste aluminium prods to raw material used to produce cement |
| 06/30/1994 | DE4243763A1 Raw powder mixt |
| 06/29/1994 | CN1088552A Cemeut calcining method by energy-saving alumini-thermic reaction |
| 06/29/1994 | CN1088475A Flow rate composite water feeder |
| 06/23/1994 | WO1994013596A1 Method of grinding cement |
| 06/22/1994 | CN1088187A Prodn of low-grade cement-wall plaster from domestic and industrial refuse |
| 06/22/1994 | CN1088186A Method of preparing white cement |
| 06/21/1994 | US5322124 Forcing slurry through casing slits; proton acceptor metal compound and polymer |
| 06/16/1994 | DE4340382A1 Producing cement clinker in a semi-drying type plant - including a separator to reduce the amount of coarse material reaching the classifying unit |
| 06/16/1994 | DE4313479C1 Method of removing nitrogen oxide gases from off-gas of cement production - by adding ammonia and passing over catalyst. |
| 06/15/1994 | CN1087885A Quick strengthening cement and prodn. thereof |
| 06/08/1994 | CN1024918C Mine used high water bed solidification support material |
| 06/01/1994 | EP0454817B1 Process for the production of cement clinker and sulphur dioxide recovery |
| 05/26/1994 | DE4239565A1 Easy setting cement mixt. - contg. decontaminated asbestos cement which is opt. neutralised and is free from water |
| 05/25/1994 | CN2166129Y Classifier |
| 05/25/1994 | CN1024653C Calcining process and apparatus for black raw material vertical decomposition furnace |
| 05/24/1994 | US5314527 Treatment with acid, sodium chloride and sodium hypochlorite |