| Patents for C04B 7 - Hydraulic cements (9,126) |
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| 02/24/1993 | EP0363429B1 Process for chemical stabilization of heavy metal bearing dusts and sludges, such as eaf dust |
| 02/23/1993 | US5188668 Cement advanced furnace and process |
| 02/11/1993 | DE4204227C1 Portland cement clinker prepn. - by firing mixt. of calcium oxide, silica, aluminium@ and ferric oxide in presence of additive contg. sulphate and fluorine ions |
| 02/10/1993 | EP0526770A2 Thermic treatment installation for raw fines |
| 02/03/1993 | EP0525847A1 Process for removing nitrogen oxides from exhaust gases resulting from the manufacturing of cement |
| 02/03/1993 | EP0524999A1 A cement composition and methods for producing same. |
| 02/03/1993 | CN1068557A Fast stoving process of small ball materials in cement vertical kiln |
| 02/03/1993 | CN1068556A Drying method of raw materials for cement |
| 02/03/1993 | CN1068555A Pulverized coal ash cement formulation and process preparing |
| 02/03/1993 | CN1068554A Alkali exciting slag cement and its preparing process |
| 02/02/1993 | US5183506 Modified flux composition for cement |
| 02/01/1993 | CA2074966A1 Stabilized microsilica slurries and cement compositions containing the same |
| 02/01/1993 | CA2073952A1 Dry castable concrete compositions and methods of preparing and dry casting the same |
| 01/28/1993 | DE4124256A1 Raw cement heat treatment assembly - has additional cyclone stage next to twin-stage cyclone system |
| 01/27/1993 | EP0524886A1 Process for producing cement with improved dust recovery |
| 01/27/1993 | CN1068337A Process for preparation of redispersible core-shell polymer powder |
| 01/26/1993 | CA1313030C Hardening granulated material at elevated temperatures |
| 01/13/1993 | EP0522791A1 Process for the preparation of a redispersible core-shell polymer |
| 01/13/1993 | EP0522458A1 Method of treating fly ash and fly ash cement |
| 01/13/1993 | CN1067872A Quickly-expanding, self-stress alunite cement and making condition |
| 01/12/1993 | US5178455 Method for recycling wash residue of ready mixed concrete and system therefor |
| 01/12/1993 | CA2073154A1 Process for the preparation of a redispersible core-shell polymer powder |
| 01/07/1993 | EP0521376A2 Method of grouting porous gas- and petroleum-bearing formations |
| 01/07/1993 | DE4121797A1 Glowing cement clinker reduction system - has a jaw crusher to apply pressure with a coolant prior to redn. to final grain size |
| 01/06/1993 | CN1067638A Calcinating cement grog with compound mineralizer |
| 01/06/1993 | CA2072673A1 Method of treating fly ash and fly ash cement |
| 01/05/1993 | US5177305 Waste incineration process |
| 01/05/1993 | US5176752 Aminoalcohol, storage stable |
| 12/30/1992 | CN1067421A Production of cement clinker with tailings from copper mine |
| 12/30/1992 | CN1019665B Rust-proof combined agent for reinforcement |
| 12/30/1992 | CN1019664B White cement made of phosphorus-containing steel-making slag |
| 12/29/1992 | US5174749 Method and apparatus for heat treatment of pulverous material |
| 12/23/1992 | EP0519225A1 Process and apparatus for cleaning flue gases from furnace installations |
| 12/22/1992 | US5173044 Includes step of absorbing sulfur dioxide |
| 12/16/1992 | EP0517873A1 Process for producing a hydraulic binder (ii) |
| 12/16/1992 | EP0517869A1 Hydraulic binder and process for its manufacture |
| 12/16/1992 | CN1067034A Flake cement |
| 12/16/1992 | CN1019477B Diabase cement clinker and reparing method thereof |
| 12/08/1992 | US5169611 Desulfurization, devolatilization, demetallization, reduction of nitrogen oxides, adsorption, filtration |
| 12/08/1992 | US5169566 Forming powdered hydraulic cement composition and at least one getter into desired shape; hydrating without mixing |
| 12/08/1992 | US5168820 Mixing sludge containing heavy metals with clay and zeolites; burning; pollution control |
| 12/02/1992 | EP0486535A4 Heating and treatment of particulate material |
| 11/19/1992 | EP0514369A1 Building block |
| 11/19/1992 | EP0513770A2 Crushing apparatus and crushing method |
| 11/19/1992 | EP0513367A1 Spherical hydraulic substance and production thereof |
| 11/18/1992 | CN1066258A Method for reducing free calcium oxide in cement clinker |
| 11/18/1992 | CN1019131B Process for pretreating pozzolanic material for increasing pozzolanic properties of said material |
| 11/18/1992 | CN1019099B High-strength water hard composite |
| 11/12/1992 | WO1992019560A1 Device for heat treatment of bulk materials |
| 11/11/1992 | CN1066047A Production method of hollow building-block with open-hearth steel slag |
| 11/05/1992 | DE4114042A1 Vorrichtung zur thermischen behandlung von schuettguetern Device for thermal treatment of bulk materials |
| 11/04/1992 | EP0511286A1 Process for the slaking of quick lime contained in ashes |
| 11/04/1992 | CN1065851A Process for producing bonding cement from iron tailings and high-calcium cinder |
| 11/04/1992 | CN1065849A Dross cement |
| 11/03/1992 | US5160539 Method and product of fly ash benefication by carbon burnout in a dry bubbling fluid bed |
| 10/29/1992 | WO1992018434A1 Low heat building cement composition |
| 10/27/1992 | US5158590 Process for melting and refining a charge |
| 10/21/1992 | CN2119423U Model zhca 3 gravity drying duster |
| 10/21/1992 | CN1065445A Portland cement produced by new process |
| 10/20/1992 | US5156676 Manufacture of cement clinker in long rotary kilns by the addition of volatile fuel elements directly into the calcining zone of the rotary kiln |
| 10/15/1992 | WO1992017415A1 Fly ash benefication by carbon burnout in a dry bubbling fluid bed |
| 10/06/1992 | US5152837 Molded, hardened mixture of coal ash, calcium oxide, calcium sulfate and fly ash which has been heat trated prior to molding to prevent ettringite formation |
| 09/30/1992 | CN1064855A Clinker-free cement and its manufacturing method |
| 09/29/1992 | US5151126 Cement-base injection grout for consolidating structures |
| 09/17/1992 | DE4108552A1 Recycling residual material from tissue paper mfr. from recycled paper - comprises converting material to Astro state and introducing material into calcinator firing stage in cement prodn. |
| 09/16/1992 | EP0502990A1 Immobilization of incinerator ash toxic elements in an environmentally safe soil cement composition and method of manufacture |
| 09/16/1992 | EP0403545B1 Heat exchanger |
| 09/16/1992 | CN1064467A Building siliceous cement and producing process thereof |
| 09/09/1992 | CN1064256A Series modified powdered coal ash and its treating process and use |
| 09/02/1992 | EP0500840A1 Tectoaluminosilicate cement and process for producing it |
| 09/01/1992 | US5143645 Method for suppressing process dust emissions using a salt of a fatty acid as a foaming agent |
| 08/26/1992 | CN1018023B 热交换器 Heat exchanger |
| 08/20/1992 | DE4204727A1 High strength concrete - using mixed blast furnace slag of specific size distribution and portland cement as binder |
| 08/19/1992 | CN1063668A High-strong anti-sulphate and silicate cement |
| 08/12/1992 | EP0498788A1 An arrangement for the thermal treatment of, and/or for passing a gas through, granular substances |
| 08/12/1992 | EP0498731A1 Process and installation for the thermic treatment of pulverulent minerals |
| 08/11/1992 | US5137704 Process of decreasing nox content of exhaust gases |
| 08/05/1992 | EP0351417B1 Grouting composition comprising slag |
| 07/29/1992 | EP0495924A1 Process for producing improved building material and product thereof |
| 07/29/1992 | EP0346350B1 Cement composition curable at low temperatures |
| 07/29/1992 | CN1063091A Cast residue cement and its production method |
| 07/29/1992 | CN1017605B Mfg. artificial stone ornament |
| 07/22/1992 | CN1017552B Dust collecting apparatus of flue gas from vertical cement kiln |
| 07/21/1992 | US5131462 Heat exchanger |
| 07/21/1992 | CA1305497C Compositions and methods for no mix compounds |
| 07/21/1992 | CA1305389C Methods for suppressing cement clinker dust emissions |
| 07/15/1992 | EP0494748A2 Cementing a cylinder in a bore |
| 07/15/1992 | EP0494739A2 Directional drilling method |
| 07/15/1992 | CN2110017U Single axle pre-wet mixer |
| 07/14/1992 | US5129820 Method and apparatus for cooling fired bulk material |
| 07/14/1992 | CA1304927C Composite cement for well bores |
| 07/08/1992 | CN1017333B Apparatus for successive calcination of powdered materials |
| 07/07/1992 | US5127473 Repair of microannuli and cement sheath |
| 06/30/1992 | US5125455 Primary cementing |
| 06/29/1992 | WO1992012103A1 Process for producing a hydraulic binder (ii) |
| 06/29/1992 | WO1992012100A1 Process for producing a hydraulic binder (i) |
| 06/29/1992 | CA2076869A1 Process for producing a hydraulic binder (i) |
| 06/29/1992 | CA2076868A1 Process for producing a hydraulic binder (ii) |
| 06/17/1992 | CN2107465U Impact dust-proof crusher |
| 06/17/1992 | CN1061949A Method of producing white cement from powdered coal ash |