| Patent Number |
Title Of Patent |
Date Issued |
| 8211960 |
Crumb rubber modified asphalt with improved stability |
July 3, 2012 |
| The present invention relates to a method for producing a crumb rubber modified asphalt comprising the steps of: a) heating a pre-selected quantity of asphalt to a temperature of between about 325.degree. F. to 550.degree. F.; b) adding crumb rubber and a mineral acid to the heated a |
| 8167993 |
Asphalt emulsion priming compositions and methods of use |
May 1, 2012 |
| Asphalt emulsion compositions for use in priming a granular surface such as a road bed are provided. The asphalt emulsion comprises asphalt, an amphoteric emulsifier, and water. The asphalt emulsion priming composition may be used on road beds to prepare the road bed for paving. Appl |
| 8114926 |
Bituminous binder and method for the production thereof |
February 14, 2012 |
| The invention relates to a method for the production of a bituminous binder and a bituminous binder which can be obtained according to said method. The method for the preparation of the bituminous binder comprises a mixing stage of 0.05 5 wt. % acid, 0.5 25 wt. % rubber crumbs and 70 |
| 8026287 |
Colloidal dispersion of calcium phosphate platelets, and its process of preparation |
September 27, 2011 |
| The invention provides colloidal dispersions of calcium phosphate platelets comprising at least one polymer which complexes the calcium and in which the length of the platelets, L, is between 5 and 500 nm and in which the thickness of the platelets is between 0.5 and 20 nm. Another s |
| 7968628 |
Modified asphalt binder material using crosslinked crumb rubber and methods of manufacturing the |
June 28, 2011 |
| Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing a modified asphalt binder containing crumb rubber or ground tire rubber and a cross-li |
| 7807724 |
Colloidal dispersion of calcium phosphate tablets and method of obtaining the same |
October 5, 2010 |
| The invention provides colloidal dispersions of calcium phosphate platelets comprising at least one polymer which complexes the calcium and in which the length of the platelets, L, is between 5 and 500 nm and in which the thickness of the platelets is between 0.5 and 20 nm.Another su |
| 7767300 |
Hydroxyapatite calcium phosphates, their method of preparation and their applications |
August 3, 2010 |
| The present invention is directed to calcium phosphates in granular form having an X-ray diffraction pattern characteristic of hydroxyapatite in which a portion of the anions of the crystal lattice are substituted with carbonate anions and which have good compressibility and flow propert |
| 7767015 |
Bitumen emulsion-based composition |
August 3, 2010 |
| The invention concerns a bitumen emulsion-based surfacing composition or bituminous mix consisting of an amphoteric surfactant and its use in road highway engineering for making materials for new roads, for reinforcing or maintaining old roads or for punctually repairing same. |
| 7468172 |
Hydroxapatite calcium phosphates, their methods of preparation and their applications |
December 23, 2008 |
| The present invention is directed to calcium phosphates in granular form having an X-ray diffraction pattern characteristic of hydroxyapatite in which a portion of the anions of the crystal lattice are substituted with carbonate anions and which have good compressibility and flow propert |
| 7446139 |
Modified asphalt binder material using crumb rubber and methods of manufacturing a modified asph |
November 4, 2008 |
| In a first aspect, bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber are described. In a second aspect, the present invention is directed to methods of producing a modified asphalt binder containing crumb rubber or ground tire ru |
| 7417082 |
Modified asphalt binder material using crosslinked crumb rubber and methods of manufacturing the |
August 26, 2008 |
| Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing a modified asphalt binder containing crumb rubber or ground tire rubber and a cross-li |
| 7335251 |
Method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen c |
February 26, 2008 |
| The invention concerns method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen compositions with enhanced properties and their uses by mixing a functionalized amorphous silica made by combining amorphous silica with a coupling agent. |
| 7258117 |
Heat-producing agglomerates and their application in flameless heaters and self-heating packagin |
August 21, 2007 |
| A heat-producing agglomerate contains particles of an acidic component selected from acid anhydrides, acid salts, and mixtures thereof, or a basic component selected from bases, basic anhydrides, basic salts, and mixtures thereof, or a mixture of such acidic and basic components. The |
| 7094283 |
Bituminous product and process for preparing it |
August 22, 2006 |
| The subject of the present invention is a process for preparing a bituminous product, characterized in that a compound based on a phosphoric or polyphosphoric acid supported on a mineral oxide of high porosity is used. The subject of the invention is also the bituminous product that |
