| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 106810000 | Organic acid or derivative | 14 |
| 20090078164 | Use of epoxy derivatives as additives for cementitious building materials - The present invention relates to the use of epoxy derivatives which have been prepared by reacting a di-, tri- or tetraglycidyl compound (A) with an optionally unsaturated reactive component (B) consisting of a C | 03-26-2009 |
| 20090266272 | ADDITIVE FOR REDUCING CHROMIUM (VI) TO CHROMIUM (III) IONS - The invention relates to an additive for reducing Cr(VI) ions to Cr(III) ions, comprising a complex of tin(II) and a carboxylic acid or a salt thereof, and to the process for the preparation thereof. It also relates to a process for preparing a material having a low chromium(VI) content. Finally, it relates to the use of said additive for reducing chromium(VI) ions to chromium(III) ions. | 10-29-2009 |
| 20100018440 | SOLIDIFICATION AND HARDENING ACCELERATOR FOR HYDRAULIC BINDERS AND PROCESS FOR ITS PREPARATION - The present invention relates to a fluoride-free solidification and hardening accelerator for hydraulic binders, comprising sulfate, aluminium and organic acid, the molar ratio of aluminium to sulfate being less than 0.83. | 01-28-2010 |
| 20110067604 | ADDITIVE FOR HYDRAULIC BINDING AGENT WITH LONG PROCESSING TIME AND HIGH EARLY STRENGTH - Exemplary embodiments as disclosed herein are directed to setting and curing accelerators for hydraulic binders, including at least one ester of a polyhydric alcohol with an acid and/or salts thereof, where the acid is a phosphoric acid, phosphorous acid or a C | 03-24-2011 |
| 20110226164 | Defoamers - The invention is direct to ethoxylated/propoxylated fatty alcohol (meth)acrylates according to general formula (I) , | 09-22-2011 |
| 20120279426 | CARBOXYLATED-CARBOXYLIC POLYGLYCEROL COMPOSITIONS FOR USE IN CEMENTITIOUS COMPOSITIONS - The invention relates to compositions and methods for modifying cementitious materials such as by reducing setting time. Polymer compositions of the invention are derived by polyetherifying mono-glycerols, optionally with alkylene glycols, to obtain polyglycerol homopolymers or copolymers, and then carboxylating the obtained polyglycerol homopolymers and/or copolymers with an organic acid having at least two carboxylic functionalities. The set retardation effect of the carboxylated-carboxylic polyglycerol polymer compositions in cementitious materials is reduced is compared to polyglycerol polymer not having the carboxylated-carboxylic groups, while its water reducing ability is maintained without loss of early compressive strength. Cementitious compositions and methods involving the carboxylated-carboxylic polyglycerol are also covered by the invention. | 11-08-2012 |
| 20130008355 | LITHIUM-BASED CONCRETE ADMIXTURES FOR CONTROLLING ALKALI-SILICA REACTIONS WITH ENHANCED SET-TIME CONTROL AND PROCESSES FOR MAKING THE SAME - A process for making concrete which is stabilized against alkali-silica reactivity (ASR) is provided. The process includes incorporating into the concrete mixture a concrete admixture mixture comprising water, first lithium-containing materials in an amount sufficient to control ASR, and second lithium-containing materials in an amount sufficient for controlling set time, and optionally mineral admixtures and other chemical admixtures for property enhancements exclusive of ASR mitigation and/or set time control, to form the concrete. An admixture for stabilizing concrete against ASR is also provided. | 01-10-2013 |
| 20130284072 | ARTIFICIAL STONE AND MANUFACTURING METHOD THEREOF - Disclosed is a method of manufacturing an artificial stone, and the method includes forming an artificial-stone paste which comprises 20-20 parts by weight of silica stone, metakaolim or silica fume, 200-300 parts by weight of quartz chips, 30-36 parts by weight if water, 1.5-3 part by weight of water-reducing agent and 0.2-3 parts by weight of pigment with response to 100 parts by weight of white cement; injecting the artificial-stone paste in a mold; primarily vacuum-molding the artificial-stone paste injected in the mold; secondarily vibration-molding the primarily molded artificial-stone paste; primarily curing the secondarily molded artificial-stone paste; secondarily curing the primarily cured artificial-stone paste, which induces a hydrothermal reaction and thus causes a pozzolanic reaction; releasing the secondarily cured artificial-stone paste from the mold; and surface-machining the released artificial-stone paste. | 10-31-2013 |
| 20130319295 | SLURRY OF MANGANOMANGANIC OXIDE PARTICLES AND METHOD FOR THE PRODUCTION OF SLURRY - A stable non-settling slurry of water and manganomanganic oxide particles having a particle size below 10 μm. The slurry comprises water and up to 92 wt % manganomanganic oxide particles bade on the weight of the slurry. The slurry has a pH between 9 and 11 and contains 0.05 to 0.5 wt % of a dispersant based on the weight of dry manganomanganic oxide particles. The dispersant can be an ethoxylated polycarboxylate or a polyacrylic acid salt and has a molecular weight between 500 and 50 000 g/mol. | 12-05-2013 |
| 20140053758 | RESTORATIVE MATERIALS - The present invention relates to restorative materials, in particular to glass-ionomer cements. More particularly, the present invention relates to glass-ionomer cements having particular utility in the repair of human hard tissue, in particular as dental restorative materials and in orthopaedic surgery. We describe a composition comprising a mixture of a glass ionomer cement and zinc phosphate. Preferably, the composition comprise from 40 to 95% by weight of glass ionomer cement and from to 60% by weight of zinc phosphate. The present invention also provides a powdered composition comprising a fluorosilicate glass and deactivated zinc oxide. Such that the zinc phosphate is formed in sith by reaction between the zinc oxide and phosphoric acid. | 02-27-2014 |
| 20140366781 | PROCESS FOR THE PREPARATION OF CEMENT, MORTARS, CONCRETE COMPOSITIONS CONTAINING CALCIUM CARBONATE - BASED FILLER(S) (PRE) - TREATED WITH ULTRAFINE (UF) FILLER(S), COMPOSITIONS AND CEMENT PRODUCTS OBTAINED AND THEIR APPLICATIONS - Process for the preparation of “High performance”, “HP”, or “FLUID”, or “technical”, cement or mortars or concrete systems or compositions (hereafter for simplicity “cements” or “cements systems” or “cement compositions” or “cements”) having an improved compacity, an improved flowability (and globally speaking a definitely improved “workability”; Product consisting of, or comprises, a blend of coarse (or optionally HP) “calcium carbonate-based filler(s)” pre-blended with at least an UF; CEMENT COMPOSITIONS incorporating the said blend or aqueous composition, namely the said blend of low or medium (or optionally HP) coarse filler(s) treated with at least one UF; USE of the said blend, or aqueous compositions and cement composition. | 12-18-2014 |
| 20140373757 | COMPOSITION AND METHOD FOR CONTROLLING THE WETTABILITY OF SURFACES - The present invention relates to a composition comprising hedgehog shaped particles, at least one binder, and at least one hydrophobizing agent and/or at least one hydrophilizing agent, a method for controlling the wettability of substrate surfaces using these compositions, as well as a material comprising these compositions. | 12-25-2014 |
| 20150047534 | SELF-LEVELLING CONCRETE - The invention relates to uniformed concrete comprising, in percentages by weight, (d) 87% to 98% of particles comprising more than 90 wt.-% alumina, (c) 1% to 7% silica fume particles, (f) 1% to 8% particles of a hydraulic cement, the fraction of said particles having a size less than 40 μm being distributed as follows, in percentage by weight in relation to the weight of the unformed concrete:
| 02-19-2015 |
| 20150075409 | ADJUVANT FOR HYDRAULIC COMPOSITIONS - The invention is mainly directed to an admixture in the form of an aqueous dispersion, comprising:
| 03-19-2015 |
