| 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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| 10/09/1990 | US4962173 Terpolymers of alkaline or alkaline earth salts of unsaturated carboxylic or sulfonic acids with unsaturated oxy-esters |
| 10/09/1990 | US4961790 Concrete admixture device and method of using same |
| 10/09/1990 | US4961789 Procedures for the preparation and fabrication of concrete additives produced from natural products |
| 10/04/1990 | WO1990011259A1 Cellular gypsum with poriforous structure, process for the manufacture thereof and use thereof |
| 10/04/1990 | DE3910730A1 Use of carboxymethylated methylhydroxyethylcelluloses or methylhydroxypropylcelluloses as additive to gypsum plaster mixtures and also gypsum plaster mixtures thus obtained |
| 10/04/1990 | CA2044168A1 Plaster foam with porous structure, a process for its preparation and its use |
| 10/03/1990 | EP0390220A2 Use of synthetic surface-active substances and method for milling Portland clinker for the production of gypsumless Portland cements |
| 10/02/1990 | US4960465 Graft copolymers as plasticizers |
| 09/30/1990 | CA2013271A1 Method of milling the portland clinker for the production of gypsumless portland cements |
| 09/27/1990 | DE3909070A1 Additive for gypsum-containing and cement-containing compositions |
| 09/25/1990 | US4959441 Crosslinking agents |
| 09/25/1990 | US4959104 Calcium phosphate, inorganic fluoride, acid |
| 09/19/1990 | EP0387480A1 Dry mortar and process for its fabrication |
| 09/18/1990 | CA1274257A1 Hydraulic cement mix and process for its production |
| 09/12/1990 | EP0386525A2 Glassionomer element for bone prosthesis |
| 09/04/1990 | CA1273741A1 Water-soluble polymers and their use as building material auxiliaries |
| 08/29/1990 | EP0384662A1 Antialgal compositions comprising diphenylethers and isothiazolones, methods of controlling algae, and coating compositions comprising the antialgal compositions |
| 08/29/1990 | EP0384322A1 Water repellent and water repellent gypsum composition |
| 08/28/1990 | US4952243 Statical demolition-facilitating agent |
| 08/24/1990 | CA2010333A1 Antialgal compositions comprising diphenylethers and isothiazolones, methods of controlling algae, and coating compositions comprising the antialgal compositions |
| 08/23/1990 | WO1990009357A1 Thinned cement slurry for use in the cementation of wells for producing hydrocarbons |
| 08/22/1990 | EP0383492A2 Dispersion system for rapid curing cement compositions |
| 08/22/1990 | EP0383348A1 Carbon fiber-reinforced hydraulic composite material |
| 08/22/1990 | CN1009271B Additive for controlling concrete constant and its prepn. method |
| 08/14/1990 | US4948429 Method of controlling air entrainment in concrete compositions |
| 08/14/1990 | CA2010024A1 Dispersion system for rapid curing cement compositions |
| 08/14/1990 | CA1272742A1 Silica fume slurry |
| 08/07/1990 | US4946904 Additives for cement |
| 08/07/1990 | US4946506 Polyethers with addition polymer side chains and alkali or alkaline earth metal nitrite |
| 08/07/1990 | CA1272374A1 Cement slurries, unaffected by salts of magnesium, for cementing wells traversing salt formations, and related cementing processes |
| 08/01/1990 | EP0379749A1 Process for preparing sulphonated dispersants |
| 07/26/1990 | WO1990008112A1 Aluminium hydroxide and fibrous-based insulating material, in particular for injection onto a floor surface |
| 07/25/1990 | EP0379421A1 Lean hygroscopic mortar having a reduced thermal resistance, method of use |
| 07/24/1990 | US4943612 Ultra-fine particulated polymer latex and composition containing the same |
| 07/24/1990 | US4943323 Processing additives for blended cements |
| 07/24/1990 | CA1271969A1 Sprayable plastic refractory |
| 07/17/1990 | US4941536 Set retarded cement compositions and methods for well cementing |
| 07/17/1990 | CA1271879A1 Cement dispersion agent |
| 07/17/1990 | CA1271683A1 Foam generating compositions |
| 07/12/1990 | WO1990007337A1 Thickening agents for aqueous systems |
| 07/11/1990 | CN1043637A Process for preparing sulphonated dispersants |
| 07/04/1990 | CN1043488A Concrete modifier, method for modifier concrete |
| 07/03/1990 | US4939192 Building composition containing 3-alkoxy-2-hydroxypropylhydroxyethyl cellulose |
| 07/03/1990 | US4939191 High strength cured cement article and process for manufacturing the same |
| 07/03/1990 | US4938803 Nonhydrolyzing |
| 06/27/1990 | EP0375332A2 A binder composition of a high viscosity and a low viscosity hydroxypropyl methylcellulose ether |
| 06/26/1990 | US4936918 Stability |
| 06/23/1990 | CA2005278A1 Process for preparing sulphonated dispersants |
| 06/20/1990 | EP0373866A2 Emulsion polymers |
| 06/20/1990 | EP0373621A2 Polyoxyalkylene alkenyl ether maleic ester copolymer and use thereof |
| 06/19/1990 | CA2005902A1 A binder composition of a high viscosity and a low viscosity hydroxypropyl methylcellulose ether |
| 06/14/1990 | WO1990006338A1 Phenolic resin preforms and method of manufacturing them |
| 06/14/1990 | WO1990006290A1 Mixture for producing a noise-damping compound, especially for railway installations |
| 06/14/1990 | CA2005020A1 Emulsion polymers |
| 06/12/1990 | US4933378 Fluid loss control additives for oil well cementing compositions |
| 06/07/1990 | DE3840579A1 Process for producing gas concrete |
| 06/06/1990 | CA2004669A1 Premoulding material having long-term controllable b-stage characteristic comprising a phenol resin |
| 06/05/1990 | US4931489 Fluid loss control additives for oil well cementing compositions |
| 06/02/1990 | CA2004396A1 Composition for forming a sound-damping mass, especially for rail systems |
| 05/30/1990 | CN1042531A Multi-efficiency cement modifier |
| 05/29/1990 | CA1269677A1 Wear and abuse resistant floor and flooring underlayment composition |
| 05/23/1990 | CN1008111B Injection material with urea and acrylic acid as host agent |
| 05/22/1990 | US4926944 Hydraulic cement, water and lignin crosslinked with formalde-hyde, epichlorohydrin, allkoxylated with ethylene, propylene or butylene oxide |
| 05/16/1990 | EP0368226A2 Aqueous dispersions of synthetic resins |
| 05/11/1990 | CA2001816A1 Aqueous synthetic resin emulsions |
| 05/09/1990 | EP0367550A2 A drive circuit for a printer |
| 05/09/1990 | EP0366664A1 Prestressed construction element of composite structure and method for element fabrication. |
| 05/08/1990 | US4923516 Well cement slurries and dispersants therefor |
| 05/01/1990 | US4921894 Novel, high temperature resistant insulation |
| 05/01/1990 | US4921543 Liquifiers and their preparation |
| 05/01/1990 | US4921537 Shrinkage compensated mortar material |
| 04/24/1990 | US4920155 Reacting polyisocyanate and alkali silicate in presence of polyethersiloxane block polymer |
| 04/19/1990 | DE3835076A1 Antimicrobial emulsions |
| 04/18/1990 | EP0364149A1 Grouting method and apparatus |
| 04/10/1990 | US4916172 Reaction curable composition and artificial marble |
| 04/10/1990 | US4916171 Polymers comprising alkali-insoluble core/alkali-soluble shell and copositions thereof |
| 04/10/1990 | US4915845 Inhibition method |
| 04/04/1990 | CN2055499U Frame refractory insulating brick |
| 04/03/1990 | US4913741 Chemical additive for hydraulic cement mixes |
| 03/27/1990 | US4911759 Mixture of gypsum hydrate, setting agent, wetting agent and anionic surfactant |
| 03/21/1990 | EP0359068A2 Method of improving quality of mortar or concrete structures and additives therefor |
| 03/06/1990 | US4906744 Water-soluble ethers substituted with alkenyl or alkyl succinic acid esters |
| 03/06/1990 | US4906298 Hydraulic cement composition |
| 02/21/1990 | CN1039823A Polymers and compositions comprised of alkali-insoluble core and alkali-soluble shell |
| 02/15/1990 | DE3925306A1 Beschleuniger fuer spritzbeton Accelerator for shotcrete |
| 02/08/1990 | DE3826183A1 Flame-resistant to incombustible, polymer-modified dispersion plaster and flame-resistant, modified heat insulation system comprising dispersion plaster, adhesive and filler with a flexible reinforcing fabric on polystyrene and/or other heat-insulating panels, for interior and exterior application |
| 02/07/1990 | CN1039405A Air-entraining adjuvant containing blood plasma as substitute for synthetic colloid and products obtained |
| 02/06/1990 | CA1265638A1 Emulsion for modifying inorganic moldings and method of producing same |
| 01/31/1990 | EP0352585A2 Dust suppressant for the concrete spraying process |
| 01/31/1990 | EP0352583A2 Dust binding agent for concrete spraying process |
| 01/30/1990 | US4897120 Reacting calcium ammonium nitrate with tri-or tetramethyl-olglycoluril to convert ammonia to hexamine |
| 01/30/1990 | US4897119 Addition polymer containing acrylic acid, unneutralized or salt of alkali metal or ammonia; chemical resistance; nontoxic; grouting |
| 01/23/1990 | US4895598 Stabilization of extremely lightweight aggregate concrete |
| 01/17/1990 | EP0350904A2 Durability improving agent for cement-hydraulic-set substances, method of improving same, and cement-hydraulic-set substances improved in durability |
| 01/17/1990 | EP0181868B1 Stabilization of extremely lightweight aggregate concrete |
| 01/11/1990 | WO1990000161A1 Composition for the preparation of an agglomerate made up of basic components together with a plastic-based binder, its processing and the products obtained |
| 01/09/1990 | US4892898 Water soluble polymers containing allyloxybenzenesulfonate monomers |
| 01/09/1990 | US4892589 Hydraulic cement additive |
| 01/09/1990 | US4892586 Cement, aggregate, organic acid, inorganic set promoter |
| 01/03/1990 | EP0348975A2 Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymer, and derivatives thereof |