Patents Assigned to Eiffage Travaux Publics
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Patent number: 8915995Abstract: The invention relates to coated material for the base layer of road pavement, made up of aggregate coated with a hydrocarbon binder, wherein the aggregate is more than 95 wt % of the coated material; wherein the aggregate includes a granular structure, which includes a plurality of granular fractions d/D; one intermediate fraction of which is less than 15% of the granules; wherein the hydrocarbon binder is less than 5 wt % of the coated material; wherein the coated material includes, after compacting, a void fraction of less than 8%; wherein the hydrocarbon binder is a hydrocarbon binder modified by adding polymers or oil, or modified by foaming or by emulsion, by means of which the modulus of rigidity of the coated material, once compacted, is higher than 9000 MPa.Type: GrantFiled: March 22, 2011Date of Patent: December 23, 2014Assignee: Eiffage Travaux PublicsInventors: Serge Krafft, Francois Olard
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Patent number: 8652246Abstract: A viscous composition for making a layer and/or a coating for a road track or a building, and containing a viscous fraction. The viscous fraction mainly contains vegetable pitch, in particular tall oil pitch, and a phenolic modified rosin.Type: GrantFiled: April 21, 2008Date of Patent: February 18, 2014Assignee: Eiffage Travaux PublicsInventors: Jean-Pierre Antoine, Jéròme Marcilloux
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Publication number: 20140005309Abstract: The present invention relates to a granule comprising: less than 30%, preferably between 0.5 and 20%, more preferably between 2 and 5% by weight of bitumen; and more than 70%, preferably between 80 and 99.5%, more preferably between 95 and 98% by weight of a vulcanization composition comprising a vulcanization agent; to the process for manufacturing same by extrusion and the use of same in modified bitumens.Type: ApplicationFiled: March 20, 2012Publication date: January 2, 2014Applicant: EIFFAGE TRAVAUX PUBLICSInventors: Serge Krafft, Delphine Simard
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Publication number: 20130022737Abstract: The invention relates to coated material for the base layer of road pavement, made up of aggregate coated with a hydrocarbon binder, wherein the aggregate is more than 95 wt % of the coated material; wherein the aggregate includes a granular structure, which includes a plurality of granular fractions d/D; one intermediate fraction of which is less than 15% of the granules; wherein the hydrocarbon binder is less than 5 wt % of the coated material; wherein the coated material includes, after compacting, a void fraction of less than 8%; wherein the hydrocarbon binder is a hydrocarbon binder modified by adding polymers or oil, or modified by foaming or by emulsion, by means of which the modulus of rigidity of the coated material, once compacted, is higher than 9000 MPa.Type: ApplicationFiled: March 22, 2011Publication date: January 24, 2013Applicant: EIFFAGE TRAVAUX PUBLICSInventors: Serge Krafft, Francois Olard
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Patent number: 7981856Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.Type: GrantFiled: April 29, 2010Date of Patent: July 19, 2011Assignees: Eiffage Travaux Publics, Ecole Nationale Superieure de Chimie de RennesInventors: Jean-Pierre Antoine, Jerome Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant
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Patent number: 7829521Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.Type: GrantFiled: May 3, 2005Date of Patent: November 9, 2010Assignees: Eiffage Travaux Publics, Ecole Nationale Superieure de Chimie de RennesInventors: Jean-Pierre Antoine, Jerome Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant
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Publication number: 20100273694Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.Type: ApplicationFiled: April 29, 2010Publication date: October 28, 2010Applicants: EIFFAGE TRAVAUX PUBLICS, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE RENNESInventors: Jean-Pierre Antoine, Jérôme Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant
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Patent number: 7662225Abstract: The invention relates to an aqueous bitumen emulsion, comprising bitumen and a surfactant agent, made from esters or amides of glycine betaine, produced by reaction of glycine betaine with a sulphonic acid and an alcohol or amine with a fatty chain derived from vegetable oils. Said bitumen emulsion may be used in the production of road surfaces.Type: GrantFiled: May 3, 2005Date of Patent: February 16, 2010Assignee: Eiffage Travaux PublicsInventors: Jean-Pierre Antoine, Jerome Marcilloux, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud
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Publication number: 20080015288Abstract: The invention concerns a method which consists in preparing by extrusion a master batch containing bitumen and a high concentration of a polymer such as a styrene-butadiene-styrene copolymer, which is then diluted into the bitumen to produce a bituminous binder. The invention is useful for making bituminous binders for spraying or embedding.Type: ApplicationFiled: June 9, 2005Publication date: January 17, 2008Applicant: EIFFAGE TRAVAUX PUBLICSInventors: Jean-Pierre Antoine, Jerome Marcilloux
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Publication number: 20070243321Abstract: The invention relates to an aqueous bitmen emulsion, comprising bitumen and a surfactant agent, made from esters or amides of glycine betaine, produced by reaction of glycine betaine with a sulphonic acid and an alcohol or amine with a fatty chain derived from vegetable oils. Said bitmen emulsion may be used in the production of road surfaces.Type: ApplicationFiled: May 3, 2005Publication date: October 18, 2007Applicant: Eiffage Travaux PublicsInventors: Jean-Pierre Antoine, Jerome Marcilloux, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud
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Publication number: 20060240185Abstract: A first part of solid fragments containing fines is dried and coated, whereupon the remaining part of the solid fragments, having retained its initial humidity, is added to the mix obtained. The invention has application in road building.Type: ApplicationFiled: April 5, 2006Publication date: October 26, 2006Applicant: EIFFAGE TRAVAUX PUBLICSInventors: Jean-Pierre Antoine, Francois Olard, Patrick Huon
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Publication number: 20060236614Abstract: The method comprises a stage of drying of the granular materials followed by a stage of coating of the whole thereof with a hot bituminous binder. According to the invention, the drying stage is carried out in conditions which allow a fraction of the initial humidity of the granular materials to remain. The invention has application in road building.Type: ApplicationFiled: April 5, 2006Publication date: October 26, 2006Applicant: EIFFAGE TRAVAUX PUBLICSInventors: Jean-Pierre Antoine, Francois Olard, Patrick Huon