CHRYSO Patent applications |
Patent application number | Title | Published |
20150191398 | METHOD FOR CREATING PATTERNS ON A CONCRETE SURFACE - The present invention relates to a method for creating patterns on a surface of the hydraulic binder composition comprising the deposition on the surface of the fresh hydraulic binder composition of a stencil and then application of a deactivating composition (A) on the thereby covered surface. | 07-09-2015 |
20150175752 | COPOLYMERS HAVING GEM-ACETOPHONE GROUPS - The invention relates to a copolymer comprising a main hydrocarbon chain and side groups including carboxylic groups and polyoxyalkylate groups, characterized in that it further includes gem acetophosphonate groups, an adjuvant for suspensions of mineral particles comprising said copolymer and a method for preparing said copolymer. | 06-25-2015 |
20150148455 | DISPERSING POLYMERS WITH IMPROVED THERMAL STABILITY - The invention relates mainly to a polymer comprising a hydrocarbon-based main chain bearing carboxylic groups and polyalkoxylated chains and up to 4% by weight of anti-oxidant groups, relative to the weight of the final polymer, grafted to the main chain. It also relates to a method for preparing such a polymer and to an admixture which is of use as a plasticizer of suspensions of mineral particles comprising same. Finally, it is related to the use of such a polymer for fluidifying suspensions of mineral particles and reducing the water demand of hydraulic compositions. | 05-28-2015 |
20140039098 | COPOLYMERS HAVING GEM-BISPHOSPHONATE GROUPINGS - The invention relates to a copolymer comprising a main hydrocarbon chain and side groups including carboxylic groups and polyoxyalkylate groups, characterized in that it further includes gem-bisphosphonate groups, an admixture for suspensions of mineral particles comprising said copolymer and to a method for preparing said copolymer. | 02-06-2014 |
20130303663 | POLYMER COMPRISING A HYDROLYSABLE FUNCTION THAT CAN BE USED AS A THINNER - The invention relates to a polymer comprising the following units: | 11-14-2013 |
20130214448 | SURFACE DEACTIVATOR THAT CAN BE REMOVED WHEN DRY - The invention relates to an emulsion consisting of an oily phase dispersed in an aqueous phase, comprising a non-quaternary amine surfactant and an acid with a set-retarding effect as well as to a method for its preparation. | 08-22-2013 |
20130074740 | AGENTS FOR INERTING CLAYS IN HYDRAULIC COMPOSITIONS - A method for inerting clays in a hydraulic composition includes one step of putting a hydraulic composition or a constituent of a hydraulic composition in contact with a compound of the following formula (I): | 03-28-2013 |
20120186495 | ANTI-FILMING SURFACE-ACTIVE AGENT - The invention relates to an anti-filming surface adjuvant for hydraulic binders comprising at least one fat and at least one anti-caking agent, to its preparation method as well as to a method for preparing a hydraulic binder composition suitable for making screeds or self-compacting concretes (SCC) including the step consisting of adding to the hydraulic binder the adjuvant according to the invention at a dosage comprised between 50 and 1,500 g/m | 07-26-2012 |
20120077940 | Method For Preparing A Superplasticizer - The invention chiefly concerns a method for preparing polyalkoxylated polycarboxylates in which the following are caused to react in the presence of water and a catalyst at a temperature of between 120 and 250° C.:
| 03-29-2012 |
20120073475 | PLASTICIZERS FOR AQUEOUS SUSPENSIONS OF MINERAL PARTICLES AND HYDRAULIC BINDER PASTES - The invention relates to a compound of following formula (I): | 03-29-2012 |
20120059090 | ADJUVANT SYSTEM FOR PREFABRICATED CONCRETE - The invention proposes an adjuvant system for a concrete comprising as a combination: | 03-08-2012 |
20120041103 | Fast Hydraulic Binder for Parts and Constructions Made of Concrete Containing A Calcium Salt - A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium. | 02-16-2012 |
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 |
20080308013 | Rapid Binder Compositions Containing a Calcium Salt for Concrete Components and Structures - The invention concerns a fast binder comprising; cement; at least one superplasticizer; calcium nitrite; and at least one formic derivative. The invention also concerns concrete mixtures obtained from said binder and methods for making same. | 12-18-2008 |
20080229977 | PIGMENT SUSPENSION HAVING IMPROVED COLOR STRENGTH - The invention relates in particular to an aqueous pigment suspension comprising at least one polymer of the type polycarboxylate grafted by alkylene polyoxide chains. It relates in addition to the use thereof especially in the coloring of hydraulic set materials. | 09-25-2008 |