COLAS Patent applications |
Patent application number | Title | Published |
20160035911 | PHOTOVOLTAIC STRUCTURE FOR A ROADWAY - A photovoltaic structure, or a photovoltaic structure for a roadway suitable for circulation of pedestrians and vehicles, including: at least one photovoltaic cell; and a non-opaque coating covering at least a front face of the photovoltaic cell and having an outer surface which is macrotextured and microtextured irregularly, with a mean texture depth MTD, measured according to the norm NF EN 13036-1, of between 0.2 mm and 3 mm, and a polishing resistance value PRV, according to the norm NF EN 13043, of at least PRV | 02-04-2016 |
20120315088 | VEGETABLE-BASED PRODUCTS OF THE SICCATIVE TYPE FOR RECYCLING AND REJUVENATING RECLAIMED ASPHALT PAVEMENTS IN SITU OR IN A DEDICATED PLANT - A method for recycling or renovating old pavements, wherein a rejuvenating binder is used including at least one compound based on fatty substances of natural origin including hydrocarbon fatty chains, these fatty substances of natural origin having undergone at least one chemical functionalization reaction through which at least one oxygenated functional group has been introduced. The rejuvenating binders and rejuvenating binder emulsions especially suitable to the method, and asphalt mixes based on regenerated reclaimed asphalt pavement are also disclosed. | 12-13-2012 |
20120006231 | SYNTHETIC AGGREGATE WITH PHOTOCATALYTIC PROPERTIES FOR ROAD USE AND PRODUCTION METHOD THEREOF - A synthetic aggregate with photocatalytic properties for road use, includes a collection of particles each including a matrix formed by a binder containing at least photocatalytic particles and a particulate mineral material. The method of producing the synthetic aggregate and its use in a pollution-reducing road surface course having excellent tyre grip are also described. | 01-12-2012 |
20100010245 | RESINS OF NATURAL ORIGIN DERIVED FROM VEGETABLE OIL AND FROM HYDROXY ACIDS - The present invention relates to an organic resin derived from a naturally occurring oil or fat comprising monoglycerides and/or diglycerides, esterified with a poly(hydroxy acid) having the following formula: | 01-14-2010 |
20100010117 | ROAD MARKING PRODUCTS WITH SELF-CLEANING PHOTOCATALYTIC PROPERTIES AND WITH A RENEWABLE HYPERHYDROPHILIC SURFACE - A road marking composition includes by weight, based on the composition total weight: from 5 to 50% of an organic base binder including a resin selected from homopolymers or copolymers derived from vinylic, acrylic or methacrylic monomers, natural or synthetic resins that are soluble in alcohol or in optionally modified oils, especially plant derivative resins, cellulose resins, petroleum resins, polyureas, polyesters and polyethers, except alkyd resins; from 1 to 40% of pigments amongst which from 1 to 100% of the pigment total content is crystallized titanium dioxide in the anatase for; and from 10 to 84% of fillers. A road marking product including the road marking composition and microbeads and/or anti-skid materials is also disclosed. | 01-14-2010 |
20090318602 | USE OF A BIOPOLYMER-BASED BINDER FOR ROADS, ROAD-RELATED AND CIVIL ENGINEERING APPLICATIONS - A method of making coatings, marking products and/or sealing products from a starting material including aggregate, includes the step of adding to a starting material a binder including at least one resin based on polymerized hydroxyacid derivatives as a non bituminous binder, as a non bituminous binder, the resin(s) being selected from: a) organic resins derived from an oil or a fat having a natural origin including monoglycerides and/or diglycerides, esterified with a poly(hydroxy acid), b) organic resins corresponding to lactic polyacid and polyol esters and/or mono- or polyhydroxylated polyacid esters, c) organic resins based on lactic polyacid or lactic polyacid derivatives such as corresponding esters thereof. | 12-24-2009 |
20090211486 | Use of solvents derived from renewable resources, paints and coating including them, method for preparing them - The invention relates to application of solvent(s) to a product including at least one binder, wherein the product is a paint or coating formulation and the solvent is a compound of renewable vegetable origin, notably agricultural origin. It also relates to a paint or coating including at least one binder and one solvent, wherein the solvent is of renewable vegetable origin. Formulations are given. | 08-27-2009 |
20080250975 | Method for Preparing Fatty Acid Esters of Natural Origin Functionalized by Oxidation for Use as Fluxing Oils for Bitumen - A method for preparing a fluxing oil, having an iodine number ranging from 50 to 200, based on fatty substances of natural origin having been chemically functionalized by oxidation, includes the steps of:
| 10-16-2008 |