| Patents for C04B 38 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (15,246) |
|---|
| 12/08/1981 | US4304052 Drying intumescent material |
| 12/08/1981 | CA1114089A1 Photopolymerizable compositions containing epoxy and hydroxyl-containing organic materials and aromatic iodonium or sulfonium salt photo initiators |
| 11/25/1981 | EP0040399A1 Foamed gypsum moulded articles and production thereof |
| 11/24/1981 | US4302502 Filters for molten metal |
| 11/24/1981 | US4302344 Loose-fill, thermal insulation |
| 11/17/1981 | US4300633 Method of cementing wells with foam-containing cement |
| 11/17/1981 | CA1112673A1 Process for the production of molded refractory articles |
| 11/03/1981 | US4298560 Method of manufacturing a grate |
| 10/28/1981 | EP0038552A1 Process for the production of wall bricks based on sand-lime and apparatus for manufacturing crude bricks |
| 10/27/1981 | US4297143 Dopes of oxides of zirconium, iron, and titanium; vaporization and combustion of the chlorides; insulation |
| 10/27/1981 | US4297140 Made from cordierite grog, a ceramic base material and a foaming agent |
| 10/13/1981 | US4294806 Method for preventing the wear of a monolithic catalyst by dusts |
| 10/06/1981 | US4293513 Method of making honeycomb structures |
| 10/06/1981 | US4293357 Method for producing ceramic honeycomb filters |
| 10/06/1981 | US4293341 Lightweight, expanded vermiculite or perlite, roofing |
| 09/29/1981 | US4291514 High temperature enclosures |
| 09/29/1981 | CA1109981A1 Mineral-resin matrix |
| 09/23/1981 | EP0036321A1 Ceramic filter |
| 09/15/1981 | US4289719 Method of making a multi-layer ceramic substrate |
| 09/08/1981 | US4288395 Diffusion element with boundary zone treatment |
| 09/01/1981 | CA1108349A1 Inorganic-organic combined material and preparation thereof |
| 08/25/1981 | US4285909 Catalyst assembly for cleaning an exhaust gas |
| 08/11/1981 | US4283360 By blending with resins insoluble and soluble in an organic solvent, molding, firing |
| 08/11/1981 | US4283210 Ceramic honeycomb filter and a method of producing the same |
| 08/05/1981 | EP0033246A1 Capsules containing cementitious compositions |
| 08/04/1981 | US4282173 Method for manufacturing refractory material having numerous through pores extending in a certain direction |
| 08/04/1981 | US4282024 Apparatus for making polycrystalline articles |
| 08/04/1981 | CA1106346A1 Pillared interlayered clay materials useful as catalysts and sorbents |
| 08/04/1981 | CA1106115A1 Method for fabricating an electrode substrate |
| 07/22/1981 | EP0032176A1 Heat insulation composition and process for its production |
| 07/21/1981 | US4279952 Carbon fibers, felts, carbonization |
| 07/21/1981 | US4279849 Starches, firing, crystallization |
| 07/21/1981 | CA1105503A1 Gypsum compositions |
| 07/14/1981 | US4278544 Filter medium for fluid |
| 07/08/1981 | EP0031365A1 Manufacturing of porous shaped articles and building constructions erected from these articles. |
| 07/07/1981 | CA1104593A1 Coherent rigid solid material |
| 07/07/1981 | CA1104303A2 Inorganic foam |
| 07/01/1981 | EP0031208A1 Process for the manufacture of a porous sintered aggregate |
| 06/30/1981 | US4276246 Expansion by thermal decomposition of blowing agent |
| 06/30/1981 | US4276071 Ceramic filters for diesel exhaust particulates |
| 06/30/1981 | EP0015293A4 Method and apparatus for producing hollow microspheres. |
| 06/30/1981 | CA1104166A1 Process for the production of steam-hardened gas concrete |
| 06/30/1981 | CA1103896A1 Methods for preparation and use of aluminas having contolled porosity |
| 06/30/1981 | CA1103884A1 Refractory exothermic heat insulating articles |
| 06/16/1981 | CA1103400A1 Method of production of compounds showing no shrinkage or increasing their volume in course of setting |
| 06/16/1981 | CA1103279A1 Porous ceramic seals and method of making same |
| 06/16/1981 | CA1103174A1 Porous ceramic barrier support and process for preparing the same |
| 06/10/1981 | EP0030123A1 Intumescent sheet material |
| 06/09/1981 | CA1102673A1 Multilayer insulating material and process for production thereof |
| 06/03/1981 | EP0029802A1 Ceramic filter with foamy structure for the filtration of molten metals |
| 05/27/1981 | EP0029288A1 An acoustical-damping fibrous or cellular material, a process for its preparation and a latex composition useful for its preparation |
| 05/27/1981 | EP0029227A1 Process for the manufacture of a shaped heat-insulating body |
| 05/26/1981 | US4269887 Ceramic fiber felt |
| 05/19/1981 | US4268466 Method of forming a slip cast article of cellular construction |
| 05/12/1981 | CA1100739A1 Method of manufacturing porous, water-permeable and not frost-susceptible terra cotta pavings usable as ground coating and pavings thus obtained |
| 05/12/1981 | CA1100721A1 Carbon pellets with controlled porosity |
| 05/05/1981 | US4265659 Ceramic open-cell foam with dispersed ceramic fibers |
| 04/29/1981 | EP0027673A1 Process for preparing shaped bodies or layers of inorganic materials |
| 04/28/1981 | US4264346 Diesel exhaust particulate traps |
| 04/28/1981 | US4263843 Method and apparatus for controlled removal of excess slurry from organic foam |
| 04/22/1981 | EP0027220A1 Process and apparatus for producing a light building element |
| 04/21/1981 | CA1099692A1 Porous zirconia containing ceramics |
| 04/15/1981 | EP0026905A1 Foamed gypsum, process for its production and its use for the manufacture of constructional elements |
| 04/14/1981 | USRE30575 Precipitation on layers of spaced asbestos fibers |
| 04/14/1981 | US4261933 Diffusion element |
| 04/14/1981 | US4261932 Oxygenation or ozonization of water |
| 04/14/1981 | CA1099430A1 Flexible building sheet products |
| 04/08/1981 | EP0026687A2 Synthetic inorganic polymer of the silicoaluminate family and process for the preparation thereof; moulded articles containing this polymer, and process for their preparation |
| 04/08/1981 | EP0026262A1 Light concrete mixture |
| 04/01/1981 | EP0026090A2 Process for preparing hydroxyapatite, and filter cake, ceramic material and implant material comprising hydroxyapatite |
| 03/31/1981 | US4259273 Intumescent hydrated metal salt |
| 03/31/1981 | CA1098293A1 Bn bonded bn fiber article from boric oxide fiber |
| 03/31/1981 | CA1098292A1 Method of making an insulating refractory |
| 03/24/1981 | US4258099 For filtering molten metals |
| 03/24/1981 | US4257810 With a open-cell structure for use as filters in the purification of molten metals |
| 03/17/1981 | US4256828 Sulfonium or iodonium complex salts as photoinitiators |
| 03/17/1981 | US4256676 Process for preparing porous metal oxide beads |
| 03/17/1981 | CA1097566A1 Method of making a porous dimensionally stable heat- resistant and corrosion-resistant packing |
| 03/17/1981 | CA1097468A1 Method for the preparation of reticulate thermoset resin structures by thermal reticulation of foams |
| 03/11/1981 | EP0024960A2 Substituted heterocyclic phenoxy amines, their preparation method and their use as local anaesthetics |
| 03/10/1981 | US4255200 With sawdust, shaping, baking, pumicing |
| 03/10/1981 | US4255197 Wetting plastic substrate, coating with refractory, sintering and bonding, lightweight |
| 03/10/1981 | CA1097038A1 Method of and apparatus for firing bodies of silica- or alumina-containing granules |
| 03/10/1981 | CA1097019A1 Method of preparing a sheet-formed product |
| 03/03/1981 | US4254019 Molding material of ground glass and binder wherein the fine partiles are coated with binder and admixed with coarse particles |
| 03/03/1981 | CA1096892A1 Refractory materials |
| 03/03/1981 | CA1096582A1 Ceramic hydroxylapatite material |
| 03/03/1981 | CA1096564A1 Reticulated anisotropic porous vitreous carbon |
| 02/24/1981 | CA1096317A1 Separation device of rigid porous inorganic hollow filament and use thereof |
| 02/17/1981 | US4251239 Multi-purpose ceramic element |
| 02/11/1981 | EP0023869A1 Process for producing sialons |
| 02/11/1981 | EP0023587A1 Temperature-stabilized pyrogenic oxide mixture of silica oxide, process for its production and its use |
| 02/10/1981 | US4249991 Composition of a material based on mineral fibers |
| 02/10/1981 | US4249948 Hydraulic cement, a-olefin sulfonate and high molecular weight sulfonate water reducing agent |
| 02/03/1981 | US4248810 Foamed insulating materials and method of manufacture |
| 02/03/1981 | US4248664 Fibrous sheet materials |
| 01/22/1981 | WO1981000104A1 Manufacturing of porous shaped articles and building constructions erected from these articles |
| 01/20/1981 | US4246215 By aspiration of ceramics |
| 01/20/1981 | CA1093908A1 Air-entrained-spherical plastics treated with adhesive mixtures containing viscous soils |
| 01/13/1981 | US4244898 Method of preparing porous, rigid ceramic separators for an electrochemical cell |