Patents
Patents for C04B 40 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability (6,073)
12/1992
12/08/1992US5169566 Forming powdered hydraulic cement composition and at least one getter into desired shape; hydrating without mixing
12/03/1992DE4118027A1 Light concrete mfr. - uses chemical plasticiser, foamed polystyrene, recycled fibres and air additives, giving high thermal insulation
12/02/1992EP0516499A1 Process for manufacturing an object having the appearance of natural stone by moulding a composition containing a thermosetting resin, and object obtained
12/01/1992US5167710 Construction materials
11/1992
11/17/1992US5164428 Crosslinked acrylic polymerss
11/11/1992EP0512501A2 Use of acetals
11/10/1992US5162402 Slump retaining agent
11/09/1992CA2068129A1 Use of acetals
10/1992
10/29/1992WO1992018697A2 Process and means for anchoring fastening elements in boreholes
10/27/1992US5159179 Heating device for accelerating the action of expansive mortars
10/15/1992DE4139069A1 Verfahren und mittel zum verankern von schrauben in bohrloechern A method and means for anchoring screws in boreholes
10/01/1992DE4109733A1 Hydrothermally-hardenable structural elements treated with compressed air and steam - to give improved stability, higher strength and/or thermal insulation properties
09/1992
09/30/1992EP0506421A1 Method for shotcreting
09/15/1992US5147459 Cementitious products
09/02/1992EP0501879A1 Concrete and method of pre-stressing; container made of such concrete
09/01/1992US5143645 Method for suppressing process dust emissions using a salt of a fatty acid as a foaming agent
08/1992
08/29/1992WO1992015536A1 Hazardous waste disposal method and composition
08/28/1992CA2061541A1 Concrete and its prestressing process and container manufactured with this concrete
07/1992
07/30/1992DE4118536C1 Light plaster mixt. for spraying - consisting of water and cement with light aggregate mfd. by mixing foaming agent with cement and injecting into mixing chamber
07/29/1992EP0495924A1 Process for producing improved building material and product thereof
07/29/1992EP0290571B1 Method for fabricating a construction element with a hydraulic binder, element thus obtained and building method using such elements
07/29/1992CN2111290U Concrete pressed steamed maintenance unit
07/23/1992WO1992011982A1 Method for blending of admixtures in a sprayed concrete mass and agent for application of the method
07/21/1992CA1305497C Compositions and methods for no mix compounds
07/01/1992EP0436539B1 Facing element with corresponding adhesive mortar
06/1992
06/17/1992DE4031935A1 Plaster moulding prodn. avoiding premature setting - by dry mixing lignocellulose fibre and plaster, adding water contg. lignin-sulphonic acid, then accelerator and recycled material
06/09/1992US5120367 Concrete admixture device and method of using same
06/02/1992US5118751 Redispersible powder composition
05/1992
05/27/1992EP0486800A1 Process and device for the production of steam-hardened building elements
05/27/1992CN1061396A Process for production of wall body material <<lattice board light structure>>
05/14/1992WO1992008084A1 Drying procedure and apparatus
05/14/1992WO1992007714A1 Multi-component composition for system of joists and floor, and method of manufacturing such composition
05/05/1992US5110084 Form device for cellular concrete and method of making such concrete
04/1992
04/28/1992US5108790 Methods of applying compositions of no mix compounds
04/08/1992EP0478864A2 Dry concrete in bulk and process for obtaining the same
04/01/1992EP0477900A2 Dispersion powder composition
04/01/1992CN1059896A Maintaining agent for coagulating cement
03/1992
03/11/1992EP0473628A1 Method and plant for the production of injectable cement mixtures
03/03/1992US5093410 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum
03/03/1992US5092933 Method for the production of concrete/mortar by using dry clathrate water and concrete/mortar products produced thereby
02/1992
02/20/1992WO1992002344A1 Methods of manufacture and use for low density hydraulically bonded cement compositions
02/12/1992EP0470829A1 Method for modifying concrete properties
02/12/1992EP0470650A2 Water-absorbent polymer and its method of production
02/12/1992EP0470444A2 Dihydroxypropyl sulfoethyl cellulose ethers, preparation and use thereof
02/11/1992WO1992002469A1 Complemented cement mixed with selected aggregates
02/11/1992CA2089067A1 Complemented cement mixed with selected aggregates
01/1992
01/22/1992EP0241554B1 Process for producing mortar and method for applying the same
01/15/1992EP0465991A1 Mortar and concrete to be processed by wet spraying and method of production of mortar and concrete
01/15/1992EP0417102A4 Compositions of no mix compounds and methods of applying same
01/10/1992CA2046500A1 Mortar and concrete workable in a wet spraying process, and procedure for use thereof
01/08/1992EP0464949A1 Method for producing a concrete panel particularly for facings protective against atmospheric agents, and the panel thus produced
01/08/1992EP0464203A1 Hydraulic substance, method of producing and curing the same, curing chamber, and paint
01/05/1992CA2046156A1 Method for producing a concrete panel particularly for facings protective against atmospheric agents, and the panel thus produced
12/1991
12/31/1991US5076986 Process for manufacturing a composite material
12/27/1991EP0462612A1 Device for curing cement mixes
12/24/1991US5074091 Method of manufacturing a building element based on a hydraulic binder, an element thus obtained, and a building method using such elements
12/18/1991CN1015100B Method for producing building element from fly ash comprising material and building element formed
12/04/1991CN1056670A Concrete magnetizer
11/1991
11/28/1991WO1991017875A1 Hydraulically bonded cement compositions and their methods of manufacture and use
11/21/1991DE4015526A1 Rapid heat treatment of cement chipboard - to effect drying and stabilisation
11/12/1991CA1291849C Process of dyeing concrete
10/1991
10/19/1991CA2040676A1 Compound binder, process for obtaining it and its application in highway surfacings
10/08/1991CA1290322C Liquid heating system for concrete plants
10/02/1991EP0448577A1 Fibres and material comprising same.
10/02/1991DE4103833A1 Forming levelling layer for esp. liq., plaster floor - from dry mix of hydrophobised light aggregate and calcium sulphate binder, sprayed with water
10/02/1991DE4033884C1 Strengthening of mineral by raising its electrical conductivity - by adding water glass and/or silane(s) mixed with alkaline earth salt soln., to seal minerals and protect ground water
10/02/1991CN1014141B Method for making gypsum mould
09/1991
09/24/1991US5051221 Method for the manufacture of a moist mixture from plaster of Paris and fibres
09/24/1991US5051217 Feeding and pressing, stamping in a die with carbon dioxide
09/19/1991WO1991013961A1 Foaming tenside preparations
09/19/1991DE4007755A1 Schaeumende tensidzubereitungen Foaming surfactant
09/17/1991US5049196 Method of wetting a cement or gypsum-bonded fibrous mixture of building materials
08/1991
08/22/1991WO1991012218A1 Composition for covering a substrate
08/22/1991CA2075628A1 Composition for covering a substrate
08/20/1991US5041475 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum
08/09/1991CA2017083A1 Compound for covering a substrate
08/06/1991US5037286 Incineration residue treatment apparatus
07/1991
07/17/1991EP0436674A1 Aluminium hydroxide and fibrous-based insulating material, in particular for injection onto a floor surface
07/09/1991US5030282 Carbon fiber-reinforced cementitious composite and method for producing the composite
06/1991
06/26/1991EP0433507A1 Producing isotropically reinforced net-shape microcomposites
06/04/1991US5021205 Concrete manufacturing process
05/1991
05/29/1991EP0428756A1 Method of producing lightweight foamed concrete
05/29/1991DE4034217A1 Anti-freeze and de-icing mixt. - contg. alkali formate etc., and water-soluble, opt. hydroxy-substd. poly:carboxylic acid and alkali or ammonium silicate and/or carbonate
05/22/1991EP0275288B1 A method and a composition for preparing a shaped article
05/02/1991WO1991005746A1 Method for preparing a mortar of lime and sand, sand-lime bricks produced thereof and apparatus for the preparation of the mortar
05/02/1991WO1991005644A1 Process for producing improved building material and product thereof
04/1991
04/24/1991EP0423107A1 Method for producing hardened cement mineral material, especially concrete.
04/17/1991EP0422741A1 Method for preparing a mortar of lime and sand, sand-lime bricks produced thereof and apparatus for the preparation of the mortar of lime and sand
04/11/1991CA2027216A1 Process for producing improved building material and product thereof
04/02/1991US5004799 Pelletized sulfur concrete and method of preparing same
03/1991
03/21/1991DE3929703A1 Gypsum component esp. board mfr. - with water supplied as ice-contg. reinforcing component
03/20/1991EP0418108A1 Process for and products obtained by mixing cement and reinforcing fibers
03/20/1991EP0417102A1 Compositions of no mix compounds and methods of applying same
03/19/1991US5000793 Method of manufacturing a building element based on a hydraulic binder, an element thus obtained, and a building method using such elements
03/13/1991EP0417064A2 Building element, process for its fabrication, mixture as well as cement for the fabrication of this mixture and this element
03/12/1991US4999396 Method for making low resin content polymer concrete
03/12/1991US4999056 Mixture of portland cement, silica powder, plasticized concrete
03/07/1991CA2024695A1 Cement and reinforcing fibre mixture, process for making such mixture and articles thereof
02/1991
02/27/1991EP0414049A1 Pigments having an effect of preventing ultraviolet rays and infrared rays
01/1991
01/29/1991US4988390 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum
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