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