| Patents for C04B 24 - Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers (15,791) |
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| 01/04/1992 | CA2046066A1 Aqueous polymer dispersions and polymer powders prepared therefrom by spray drying |
| 01/01/1992 | CN1057449A Dense water glass acid-proof concrete and its preparation method |
| 01/01/1992 | CN1057448A Refractory covering materials |
| 12/31/1991 | US5076852 Drilling fluid, sulfonated styrene copolymers asdispersants; p romoters of acetic acid, esters thereof |
| 12/27/1991 | EP0462602A1 Method of manufacture of concrete products from raw concrete |
| 12/25/1991 | CN1015168B Aminoarylslfonic acid-phenol-formaldehyde condensate and concrete admixture comprising same |
| 12/20/1991 | CA2044982A1 Method of manufacture of concrete products from raw concrete |
| 12/18/1991 | EP0461738A1 Strength enhancing additive and water repellant mortars containing same |
| 12/17/1991 | CA1293272C Cement additive containing superplasticizer and bentonite |
| 12/17/1991 | CA1293111C Method for producing hardened cement mineral material, especially concrete, and an apparatus for implementation of the method |
| 12/13/1991 | CA2044362A1 Strength enhancing additive and water repellant mortars containing same |
| 12/11/1991 | EP0460744A1 Cement based mortar compositions having elastomeric properties, and method of manufacture |
| 12/10/1991 | CA1293087C Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same |
| 12/04/1991 | EP0458852A1 Thinned cement slurry for use in the cementation of wells for producing hydrocarbons |
| 12/03/1991 | US5069721 Mortar concrete composition |
| 11/27/1991 | EP0458328A1 Thickening system for watercontaining building material mixtures |
| 11/26/1991 | CA2043252A1 Thickening system for water-based building material mixes |
| 11/21/1991 | EP0457642A1 Process for preparing polychloroprene |
| 11/21/1991 | EP0324501B1 Method for stabilizing concrete residues |
| 11/19/1991 | WO1991017968A1 A silica fume hydrating and plasticizing admixture for concrete |
| 11/19/1991 | US5066745 Water-swellable crosslinked hydrogels, gel strength, absorption |
| 11/19/1991 | CA2063985A1 Silica fume hydrating and plasticizing admixture for concrete |
| 11/19/1991 | CA1292342C Organomineral foamed materials and process for their preparation |
| 11/19/1991 | CA1292243C Process for the oxidation aldoses, catalyst used in said process and products thus obtained |
| 11/14/1991 | WO1991017127A1 Admixture of cement-based grout, mortar or concrete |
| 11/14/1991 | WO1991017126A1 Admixture for concrete products |
| 11/05/1991 | US5062897 Carbon fiber-reinforced hydraulic composite material |
| 10/31/1991 | WO1991016522A1 Dispersant compositions for subterranean well drilling and completion |
| 10/31/1991 | WO1991016464A1 Treatment of particulate materials with reticulated cellulose |
| 10/31/1991 | WO1991016365A1 Dispersant compositions for subterranean well drilling and completion |
| 10/31/1991 | CA2081465A1 Dispersant compositions for subterranean well drilling and completion |
| 10/30/1991 | EP0454087A1 Molded calcium silicate articles and method for producing same |
| 10/30/1991 | EP0453921A1 Non-emulsion masonry cement additives and method of producing masonry cement compositions containing same |
| 10/27/1991 | CA2040479A1 Non-emulsion masonry cement additives and method of producing masonry cement compositions containing same |
| 10/26/1991 | WO1991016275A1 Refractory coating material |
| 10/23/1991 | CN1055532A Prepn. of magnesite concrete products |
| 10/22/1991 | US5059371 Method and apparatus for extrusion molding fiber-and cement-containing W/O type emulsion |
| 10/19/1991 | CA2040676A1 Compound binder, process for obtaining it and its application in highway surfacings |
| 10/15/1991 | CA1290561C Inhibiting corrosion in reinforced concrete |
| 10/02/1991 | EP0449482A2 Cement additive |
| 10/02/1991 | EP0448717A1 Cement admixture, production thereof, and cement composition |
| 09/25/1991 | EP0447499A1 Method for preparing a resin concrete |
| 09/25/1991 | EP0258384B1 Lightweight joint compound having improved paintability |
| 09/19/1991 | WO1991013961A1 Foaming tenside preparations |
| 09/19/1991 | DE4007755A1 Schaeumende tensidzubereitungen Foaming surfactant |
| 09/19/1991 | DE4007459A1 Naphthalene-sulphonic-formaldehyde condensates with low free aldehyde - obtd. by immediately adjusting the condensation prod. up to specific pH at 80 deg. C., etc. |
| 09/17/1991 | US5049311 Surfactants |
| 09/17/1991 | US5049288 Set retarded cement compositions and methods for well cementing |
| 09/10/1991 | US5047463 Instead of starch and containing water,and fillers; molding alkaline paste, drying |
| 09/10/1991 | US5047087 Unsaturated Acid-Unsaturated Acid Ester Interpolymer, Plasticizing |
| 09/10/1991 | US5047085 In the bubbled frother solution |
| 09/10/1991 | US5046562 Fluid loss control additives for oil well cementing compositions |
| 09/04/1991 | EP0444542A1 Cementing compositions containing polyethyleneimine phosphonate derivatives as dispersants |
| 09/04/1991 | EP0444509A2 Fluorurethan groups containing polymers of ethylenically unsaturated monomers, process for their preparation and their use |
| 09/04/1991 | EP0444489A1 Cementing compositions containing a copolymer as a fluid loss control additive |
| 09/04/1991 | EP0422163A4 Method for manufacturing a mineral wool panel |
| 09/03/1991 | US5045616 Disperson polymers which contain urea groups and are based on ethylenically unsaturated monomers, process for their preparation and their use |
| 09/03/1991 | CA1288443C High strength cured cement article and process for manufacturing the same |
| 08/28/1991 | EP0443341A2 Process for preparing naphthalensulfonic acid formaldehyde condensates with low formaldehyde content |
| 08/28/1991 | CA2036805A1 Fluorourethane group-containing polymers made from ethylenically unsaturated monomers, process for their preparation and their use |
| 08/20/1991 | WO1991012214A1 Flowability improving agent, a process for the production thereof and a use thereof |
| 08/20/1991 | US5041630 Sulfoalkylation of naphthol with a carbonyl and a sulfur compound; reduces viscosity, retards gelation |
| 08/20/1991 | US5041475 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum |
| 08/20/1991 | CA2035341A1 Process for the preparation of naphthalene-sulfonic acid/formaldehyde condensates having a low free formaldehydecontent |
| 08/14/1991 | CN1013497B 3-alkoxy-2-hydroxypropyl derives of celluiose and use thereof in building compositions |
| 08/13/1991 | US5039341 Adhesive |
| 08/13/1991 | US5038863 Cementing oil and gas wells |
| 08/13/1991 | CA1287628C Water-soluble ethers substituted with alkenyl or alkyl succinic acidesters |
| 08/01/1991 | DE4038147A1 Spraying of concrete mixts. |
| 07/31/1991 | EP0236497B1 Coating compositions and method for improving the properties of coated substrates |
| 07/17/1991 | EP0436674A1 Aluminium hydroxide and fibrous-based insulating material, in particular for injection onto a floor surface |
| 07/16/1991 | CA1286434C Vinyl monomer compositions with accelerated surface cure |
| 07/09/1991 | US5030366 Spacer fluids |
| 07/02/1991 | US5028271 Vinyl grafted lignite fluid loss additives |
| 07/02/1991 | US5028261 Used in construction materials |
| 06/26/1991 | CN1052471A Polymer-modified cements with improved chemical resistance |
| 06/26/1991 | CN1052470A Preparing water-and moisture-proof powder for building from filtrate residue of sugar refinery |
| 06/19/1991 | EP0432920A2 Polymer-modified cements with improved chemical resistance |
| 06/19/1991 | EP0432770A1 Hydraulic composition, formed products therefrom and segregation reduction agent for hydraulic substances |
| 06/18/1991 | US5025040 Of water, hydraulic cement and a blend of acrylamide-vinylimidzole copolymer and acrylamide-vinylimidazole-acrylamidomethyl propane sulfonic acid sodium salt terpolymer |
| 06/18/1991 | US5024703 Reducing cereal storage proteins with ferrous sulfate, tin and copper chloride; air entrainment |
| 06/15/1991 | CA2031404A1 Polymer-modified cements with improved chemical resistance |
| 06/12/1991 | EP0431600A1 Cement admixture and cement composition |
| 06/12/1991 | EP0431503A2 Hydraulic compositions and high-strength composite materials |
| 06/05/1991 | EP0430644A1 Spacer fluids |
| 06/05/1991 | EP0430576A1 Cellular or foamed hydraulic compositions |
| 06/05/1991 | EP0430575A1 Cellular or foamed hydraulic compositions |
| 06/04/1991 | US5021094 Swellable clays, thinner with salt of polycarboxylic acid, water; for sealing bore holes or subterranean cavities. |
| 06/04/1991 | US5020598 Process for cementing a well |
| 05/30/1991 | WO1991007362A1 Water-repellent mortar |
| 05/29/1991 | CN1051716A Process for preparing early strengthening agent for solidification of sulfur dregs cement |
| 05/28/1991 | CA1284496C Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids, catalyst used and products thus obtained |
| 05/28/1991 | CA1284452C Coating compositions and method for improving the properties of coated substrates |
| 05/23/1991 | DE3938078A1 Verwendung eines gemisches von metallseifen, quarzsand und anionischen tensiden als luftporenbildner fuer salzhaltige moertel Using a mixture of metal soaps, quartz sand and anionic surfactants as entraining agents for salty dry building mixtures |
| 05/23/1991 | CA2029635A1 Foamed hydraulic composition containing copolymeric foam stabilizer |
| 05/23/1991 | CA2029632A1 Foamed cementitious compositions comprising low water and poly (carboxylic) acid stabilizer |
| 05/22/1991 | EP0275288B1 A method and a composition for preparing a shaped article |
| 05/21/1991 | US5017234 Processing additives for blended cements |
| 05/15/1991 | CA2002994A1 Reinforced cement composites with cellulosic fibers-ii |
| 05/08/1991 | EP0425586A1 Mixture for producing a noise-damping compound for railway installations. |