| Patents for C04B 38 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (15,246) |
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| 12/04/1991 | EP0458865A1 Shaped bodies containing short inorganic fibers |
| 12/04/1991 | CN1056676A Heat insulating materials and elements using same |
| 12/04/1991 | CN1056675A Ceramics preparative green bodies, process of production and use thereof |
| 12/04/1991 | CN1014986B Ceramic articles having a nonporous core and porous outer layer |
| 12/03/1991 | US5069697 Cordierite as main component of crystalline phase |
| 11/27/1991 | EP0458150A1 Process for producing shaped articles |
| 11/27/1991 | EP0431112A4 High strength structural perlite concrete |
| 11/25/1991 | CA2042969A1 Process for the production of moulded articles |
| 11/24/1991 | CA2043029A1 Ceramic preforms, making process and applications thereof |
| 11/19/1991 | US5066432 Process for manufacturing a ceramic foam body |
| 11/19/1991 | CA1292106C2 Hollow microspheres made from dispersed particle compositions |
| 11/13/1991 | EP0456441A1 Solid polymer solution binders for sinter-processing of metal or ceramic powders |
| 11/12/1991 | US5064783 Production of spherical ceramic powders |
| 11/12/1991 | US5064436 Calcium phosphate |
| 11/12/1991 | US5063967 Pumpable cement grout |
| 11/06/1991 | EP0454847A1 Metal-impregnated refractory and production thereof |
| 11/05/1991 | US5063093 Irregular surface indentations formed by carbon dioxide from reaction of magnesium or calcium carbonate with phosphoric acid during formation of phosphate-bonded material |
| 11/05/1991 | US5063007 Process for manufacturing a ceramic foam body |
| 11/05/1991 | US5062911 Preparation of ceramic honeycomb structure having selectively sealed channels |
| 10/31/1991 | WO1991016277A1 Method for fiber-reinforced ceramic honeycomb |
| 10/30/1991 | EP0454087A1 Molded calcium silicate articles and method for producing same |
| 10/29/1991 | US5061660 Ceramic foams |
| 10/29/1991 | US5061526 Process for forming a porous refractory mass |
| 10/29/1991 | CA1291304C Process for obtaining a microporous material |
| 10/26/1991 | WO1991016278A1 Heat insulating material and structure made therefrom |
| 10/23/1991 | EP0452567A1 Fire resistant articles comprising nonfibrous and nongraphitic carbonaceous materials |
| 10/23/1991 | EP0452419A1 Incandescent mantles |
| 10/23/1991 | EP0276270B1 Method for fabricating moulds made of porous silicone nitride for pressure casting |
| 10/22/1991 | US5059267 Bundling molybdenum pipes, impregnation with inorganic polysilazane, pyrolysis to form silicide |
| 10/22/1991 | CA1291110C Porous carbon structures and methods for their preparation |
| 10/17/1991 | WO1991015438A1 Ceramic high-temperature member |
| 10/17/1991 | WO1991015109A1 Process for the production of a clay-based plant substrate |
| 10/16/1991 | EP0452275A1 Method for manufacturing articles of functionally gradient material |
| 10/16/1991 | EP0451964A2 Method of producing a light weight building material |
| 10/16/1991 | EP0451928A1 Process for the fabrication of porous ceramic granules used as an adsorbing or absorbing agent, particularly for animal litter |
| 10/16/1991 | EP0451635A2 Light moulded bodies containing expanded graphite, their preparation and their use |
| 10/15/1991 | US5057297 Method for producing elastic graphite structures |
| 10/09/1991 | EP0451043A1 Process for production of a thermostructural composite material with carbon intermediary phase between the reinforcing fibres and the matrix |
| 10/09/1991 | EP0450899A2 Method of producing porous ceramic filter, using cordierite composition including talc and silica powders |
| 10/09/1991 | EP0450773A2 Ceramic composite for electronic applications |
| 10/09/1991 | EP0450739A1 Process for the fabrication of a plant substrate |
| 10/09/1991 | CA2014187A1 Building material |
| 10/08/1991 | US5055429 Porous inorganic material |
| 10/08/1991 | CA1290134C Infiltration processing of boron carbide-, boron-, and boride- reactive metal cermets |
| 10/06/1991 | WO1991015112A1 Process for the production of a porous granulated ceramic material for use as an adsorbent or absorbent, in particular animal litter |
| 10/06/1991 | CA2051807A1 Process for producing a porous ceramic granular material for use as an adsorbent and/or absorbent, particularly as animal litter |
| 10/02/1991 | EP0449556A2 Production of ceramic honeycomb structural bodies |
| 10/02/1991 | EP0449534A1 Method of producing ceramic products |
| 10/02/1991 | EP0449356A1 Single or multi-cylinder block |
| 10/02/1991 | EP0449234A2 Process for pore formation in mortar |
| 10/02/1991 | EP0448719A1 Porous carbon material equipped with flat sheet-like ribs and production method thereof |
| 10/02/1991 | EP0215132B1 Valve having valve body of ceramic compound |
| 10/02/1991 | DE4010002A1 Use of (semi)solid alkali- or water-soluble polymers - cellulose or starch derivs. or protein, e.g. gelatin in cast concrete, which are dissolved out of set concrete to form fixing holes, etc. |
| 10/01/1991 | US5053148 Heating metal phosphonates, electrical and heat insulators |
| 09/24/1991 | CA1289461C Ceramic packing and method and mold for making same |
| 09/24/1991 | CA1289423C Consolidated microporous material, process for producing same, and its uses,namely for making cathode elements |
| 09/19/1991 | WO1991013961A1 Foaming tenside preparations |
| 09/19/1991 | WO1991013714A1 Process for manufacturing metallic or ceramic materials |
| 09/19/1991 | DE4107869A1 Prodn. of electrochemical element - comprises forming electrode on solid electrolyte, applying green ceramic plate to form protective layer and calcining |
| 09/19/1991 | DE4033227A1 Metallic or ceramic article prodn. - by moulding or casting film-forming material contg. metals or ceramic raw materials |
| 09/19/1991 | DE4007755A1 Schaeumende tensidzubereitungen Foaming surfactant |
| 09/18/1991 | EP0446486A2 Thermal insulation element |
| 09/18/1991 | CN1054635A Filler based on foaming adhesive and process of realization |
| 09/16/1991 | CA2038207A1 Aggregate for use in making structural elements |
| 09/11/1991 | EP0445400A1 Process for preparing intumescent moulded articles |
| 09/10/1991 | US5047225 Polystyrene Foam, Cells Filled with Cured Resorcinol-Formaldehyde Resin |
| 09/05/1991 | WO1991013044A1 Chromium-based nitrified baked material and method of obtaining it |
| 09/04/1991 | EP0445067A2 Porous ceramic article |
| 09/03/1991 | US5045511 Ceramic bodies formed from yttria stabilized zirconia-alumina |
| 09/03/1991 | US5045437 Method for producing a structured ceramic film or a ceramic member constructed of such films by sintering and useful as ultrasound transducers |
| 09/03/1991 | US5045111 Filtration of molten ferrous metal |
| 09/03/1991 | CA1288313C Process for forming transparent aerogel insulating arrays |
| 08/28/1991 | EP0443625A1 Exhaust filter element and exhaust gas-treating apparatus |
| 08/28/1991 | EP0305433A4 Method for manufacturing a mineral panel |
| 08/28/1991 | EP0296233A4 Low density frothed mineral wool panel and method |
| 08/27/1991 | US5043182 Method for the producing of ceramic-metal composite materials by plasma spraying several layers of ceramic particles onto a base body and infiltrating molten metal into the pores of the ceramic material |
| 08/27/1991 | CA2036558A1 Ceramic bodies formed from yttria stabilized zirconia-alumina |
| 08/24/1991 | CA2036854A1 Exhaust filter element and exhaust gas-treating apparatus |
| 08/14/1991 | EP0441296A1 Acoustic plaster |
| 08/14/1991 | EP0440874A2 Mold for casting ceramic products |
| 08/14/1991 | EP0362213B1 Process for manufacturing a structured ceramic film or a ceramic object composed of such films |
| 08/13/1991 | US5039644 Fired monolithic structure of alumina, titania and/or zirconia with phosphorus oxide; heat resistance, high surface area |
| 08/13/1991 | US5039340 Ceramic foam and a process for forming the same |
| 08/08/1991 | DE4003598A1 Prodn. of open-cell ceramic foam |
| 08/07/1991 | EP0440569A2 Process for obtaining refractory carbide based porous solid bodies, using organic compounds and a metal or metalloid |
| 08/07/1991 | EP0440323A2 Process for the production of a porous ceramic body having cavities or open channels |
| 08/07/1991 | EP0440322A2 Process and device for making a porous ceramic body |
| 08/06/1991 | US5037859 Composite foams |
| 07/31/1991 | EP0438652A1 Process for applying a thermal barrier coating on a submerged casting nozzle and nozzle thus obtained |
| 07/31/1991 | CN1013338B Method for modifying substrate material for use with smoking articles and product produced thereby |
| 07/30/1991 | US5035725 Silicon carbide matrix impregnated with molten silicon |
| 07/30/1991 | CA2034725A1 Process for preparing porous refractory carbide solid bodies from organic compounds and a metal or a metalloid |
| 07/23/1991 | US5034023 Hermetic sealed channels separated by partitions, applying a voltage |
| 07/16/1991 | US5032549 Highly porous ceramic material for absorption and adsorption purposes, particularly for animal litter/bedding |
| 07/11/1991 | WO1991009817A1 Process for producing porous carbonaceous material |
| 07/11/1991 | WO1991009816A1 Foamed shaped refractory products of tib2 and al2o3 and method of making same |
| 07/10/1991 | EP0436220A1 Ceramic composition |
| 07/10/1991 | EP0296242A4 Low density mineral wool panel and method |
| 07/10/1991 | CN1013148B Asbestos free hardened monolithic filler mass |
| 07/09/1991 | US5030611 Porous ceramics material |