Patents for C04B 24 - Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers (15,791)
03/1989
03/22/1989EP0307997A1 Dispersing agent for cement-slurry compounds, compounds containing this agent and procedures for the cementing of oil wells or similar
03/22/1989EP0307635A1 Polysiloxane modified cement
03/21/1989US4814014 Graft addition-condensation copolymer
03/21/1989US4814013 Chemically resistant concrete based on water glass
03/15/1989EP0306629A2 Process for the fabrication of thinning agents for mineral binders
03/15/1989CN1031693A Mineral-plastics decorative material and its production
03/09/1989DE3729090A1 Stabilisation of concrete against microbial attack in particular sulphur bacteria
03/08/1989EP0306449A2 Copolymers of styrene and semi-esters of maleic acid, and use thereof as fluidizing agents for cement
03/08/1989EP0305393A1 Inhibiting corrosion in reinforced concrete.
03/08/1989CN1031543A Organomineral foamed materials and process for their preparation
03/07/1989US4810296 Hydroxamated polymers as additives for retarding the rate of set of hydraulic cement compositions
02/1989
02/28/1989US4808641 Containing unsaturated ether ester polymer
02/22/1989EP0303747A2 Acrylic polymer and cement composition containing it
02/22/1989EP0303634A1 Fixing device and method for the manufacture of same
02/21/1989US4806164 Method of reducing fluid loss in cement compositions
02/16/1989DE3825530A1 Retention aid for aqueous systems
02/08/1989CN1030876A Process for preparation of emulsifying agent containing c14-aliphatic alcohol, its use for mortar, process for manufacturing element having porous or cellular construct, and porous or cellular element
02/07/1989CA1249713A1 Set retarded cement compositions and well cementing methods
01/1989
01/25/1989CN1030590A 3-alkoxy-2-hydroxypropyl derivatives of cellulose and use thereof in building compositions
01/25/1989CN1030574A High-efficient water reducer made of alkyl aryl sulfonate and aldehyde naphthalene sulfonate condensate
01/24/1989CA1249306A1 Additive for hydraulic cement mixes
01/17/1989CA1248976A1 Concrete composition for roller compacted placing method
01/11/1989CN1030224A Welan gum in cement compositions
01/10/1989US4797160 Phase change compositions
01/10/1989CA1248656A1 Additive for cementitious compositions
01/03/1989US4795770 Cement composition for oil well drilling holes containing high molecular weight poly (vinylamines)
12/1988
12/29/1988WO1988010244A1 Emulsifier containing a c14 fatty alcohol, process for preparing it and its use in a mixture with a hydraulic binder
12/28/1988EP0296941A1 Emulsifying agent containing a c14 alcohol, process for its preparation and its utilisation for the fabrication of expanded or cellular construction elements based on a hydraulic binder
12/28/1988CA1247779A Cementiferous compositions
12/27/1988US4793861 Containing kaolin
12/22/1988DE3719449A1 Process for producing a hardening construction material
12/21/1988EP0295628A2 3-Alkoxy-2-hydroxypropyl derivatives of cellulose and use thereof in building compositions
12/20/1988US4792360 Workable cement composition of low water content containing a hydroxyalkyl (meth)acrylate polymer
12/20/1988US4791989 Low fluid loss salt saturated cement slurries, additives and methods
12/20/1988CA1247153A1 Accelerator for gypsum plaster and process of manufacture
12/20/1988CA1247152A1 Concrete admixture
12/20/1988CA1246853A1 Am/amps fluid loss additive blend for well cementing compositions
12/13/1988US4791008 Acidic aqueous solution of phosphate, dichromate, aluminum, a glycol ether; with inorganic colloidal particles
12/07/1988EP0293973A2 Hydraulic cement mix and process for its production
12/06/1988US4789523 Cationic and anionic lignin amines corrosion inhibitors
11/1988
11/29/1988US4787960 For wood pulp
11/23/1988EP0291644A2 Plasticizing agents for mineral binders
11/23/1988EP0291590A1 Cement dispersant
11/22/1988US4786331 Cement dispersion agent
11/22/1988US4786328 Magnesium phosphate cement systems
11/17/1988WO1988008907A1 Prestressed construction element of composite structure and method for element fabrication
11/17/1988EP0291073A2 Additives for cement
11/16/1988CN88102700A Prestressed construction element of composite structure and method for element fabrication
11/15/1988US4784693 Cellulose ethers, cellulose esters
11/15/1988CA1244640A1 High temperature well cement composition
11/09/1988EP0290198A1 Welan gum in cement compositions
11/08/1988US4783365 Mica product
11/08/1988CA1244565A1 Epoxy resin-diammonium salt emulsion and process for its production
11/08/1988CA1244489A1 Utilization of latexes with hydraulic cement and gypsum compositions
11/03/1988WO1988005991A3 Fixing device and method for the manufacture of same
11/02/1988EP0202281B1 Additive for hydraulic cement mixes
11/02/1988CN88101418A Fluid loss additives for well cementing compositions
11/01/1988US4781840 Cationic and anionic lignin amines as flocculants
11/01/1988CA1244181A1 Binder compositions based on alkali metal silicate solutions
11/01/1988CA1244172A1 Epoxy resin-polyammonium salt emulsion and process for its production
11/01/1988CA1244170A1 Lightweight joint compound
10/1988
10/25/1988US4780754 Alumina, h2o, and silanol endcapped siloxane; integrated circuits
10/25/1988CA1243481A1 Cement slurry compositions for cementing oil wells, adapted to control free water and corresponding cementing process
10/18/1988US4778528 Cement slurry compositions for cementing oil wells, adapted to control free water and corresponding cementing process
10/13/1988DE3811102A1 Aqueous polymer latex, and coating or reinforcing composition containing the former
10/12/1988CN87102274A Mixture for preparing chemically stable concrete
10/11/1988US4776970 Acyclic ester
10/11/1988CA1243103A1 Radiation-sensitive semiconductor device
10/05/1988EP0285506A1 Use of polyfluorised surface-active compounds as water-reducing plasticizing agents for mortars and concrete
10/05/1988CN87101523A Injection material with urea and acrylic acid as host agent
10/04/1988US4775744 Cationic and anionic lignin amines
09/1988
09/28/1988EP0138822B1 Admixture for hydraulic cement mixes
09/20/1988CA1242071A1 Process and composition for cementing wells passing through salt formations
09/13/1988US4770791 Control of metal ions using bis(aminoalkyl) piperazine derivatives
09/13/1988CA1241827A1 Dispersant and fluid loss additives for oil field cements
09/07/1988EP0281476A2 Protective coating with an isothermal and isophonic effect
09/07/1988EP0280971A1 High strength cured cement article and process for manufacturing the same
09/06/1988CA1241506A1 Flocced mineral materials and water-resistant articles made therefrom
08/1988
08/30/1988US4767460 Cement compositions for cementing of wells enabling gas channelling in the cemented annulus to be inhibited by right-angle setting
08/25/1988WO1988005991A2 Fixing device and method for the manufacture of same
08/24/1988EP0279686A1 Alkoxylated alkyl substituted phenol sulfonates compounds and compositions, the preparation thereof and their use in various applications
08/23/1988CA1241029A1 Set delayed cement compositions and method of using the same
08/09/1988US4762867 Acrylic acid, acrylate ester copolymers mixtures with cements
08/09/1988US4762643 Binders and fibers combined with flocced mineral materials and water-resistant articles made therefrom
08/09/1988CA1240105A1 Sprayable fireproof coatings
07/1988
07/27/1988EP0275288A1 A method and a composition for preparing a shaped article.
07/26/1988US4759802 Cement dispersion agent
07/12/1988US4757106 Organopolysiloxane containing aliphatic radicals bonded to silicon via oxygen, emulsifier containing a salt of a water soluble organic or inorganic acid
07/12/1988US4756762 Magnesium oxide, monoammonium phosphate, polyphosphonic acid retarder, filler
07/06/1988EP0273711A1 Cement dispersing agent
07/06/1988EP0273605A2 Ultra-fine particulated polymer latex and composition containing the same
07/05/1988USH493 Alkylsulfonated polysaccharides and mortar and concrete mixes containing them
06/1988
06/22/1988EP0271784A2 Water soluble polymers containing allyloxybenzenesulfonate monomers
06/15/1988EP0271435A2 Hydraulic cement additives and hydraulic cement compositions containing same
06/14/1988US4751024 Sprayable fireproofing composition
06/08/1988EP0269736A1 Composition for making plaster articles
05/1988
05/25/1988CN86107875A Process for preparing concrete water-reducing agent from phynol residues
05/24/1988US4746367 Superplasticizer composition for use with hydraulic cements
05/24/1988US4746365 Utilization of latexes with hydraulic cement and gypsum compositions
05/24/1988US4746364 Flowing concrete and process of producing the same