| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 524071000 | Solid polymer derived from ethylenic reactants only, at least one of which is a hydrocarbon other than ethylene | 38 |
| 20080287577 | RUBBER COMPOSITION FOR PNEUMATIC TIRE - A rubber composition for a pneumatic tire containing 100 parts by weight of a diene-based rubber and 5 to 120 parts by weight of carbon black having a particle size of 15 to 40 nm, a nitrogen absorption specific surface area N | 11-20-2008 |
| 20090124730 | Modified polymer and composition containing the same - A primary modified polymer composed of (1) a hydrogenated polymer obtained by hydrogenating at least one non-hydrogenated polymer selected from the group consisting of polymers comprising conjugated diene monomer units and copolymers comprising conjugated diene monomer units and vinyl aromatic monomer units and (2) groups of a primary modifier having a functional group which are bonded to the polymer (1), which has a specific vinyl aromatic monomer unit content, a specific vinyl aromatic polymer block content, a specific weight-average molecular weight, and a specific degree of hydrogenation of the double bonds of conjugated diene monomer units; a secondary modified polymer obtained by reacting a primary modified polymer composed of (β) a base polymer and (γ) groups of a primary modifier having a functional group which are bonded to the polymer (β) with a secondary modifier; and compositions comprising the primary or secondary modified polymer and at least one other component. | 05-14-2009 |
| 20090137705 | HOT-MELT BINDER BASED ON ASPHALT OR BITUMEN AT LOWER PRODUCTION TEMPERATURE COMPRISING A TRIGLYCERIDE OF SATURATED FATTY ACIDS - The present invention relates to a hot-melt binder based on asphalt or bitumen, comprising at least one additive for lowering the production temperature of the asphalt product relative to that of the base product, said additive being a triglyceride of saturated fatty acids. | 05-28-2009 |
| 20100190895 | RUBBER COMPOSITION - Cross-linked rubber obtained from a rubber composition, which comprises 100 parts by weight of EPDM, 5-120 parts by weight carbon black, 70-150 parts by weight of fine bituminous powder, and 0.2-8 parts by weight of an organic peroxide, has distinguished heat resistance and sealability, and can suppress blister generation due to pressure changes when used in contact with carbon dioxide, and is specifically distinguished foaming-resistance characteristics due to abrupt pressure reduction of carbon dioxide, which are the necessary characteristics of seal material for carbon dioxide refrigerant, and also distinguished compression set characteristics, which determine the product life at elevated temperatures, and thus is suitable for use as carbon dioxide seal materials, such as O rings, packings, gaskets, oil seals, valves, etc. | 07-29-2010 |
| 20100222467 | CRACK RESISTENT LAYER WITH GOOD MIXTURE FRACTURE ENERGY MADE FROM AN EMULSION OF A POLYMER MODIFIED BITUMINOUS BINDER AND METHOD OF SELECTING SAME - A method of selecting a crack resistant layer to be applied to an existing surface, the method comprising the steps of: selecting at least one emulsified bituminous binder to examine, where the emulsified bituminous binder comprises bitumen, one or more emulsifier, and one or more polymers, where the one or more polymers, the one or more emulsifier, or both include a sufficient amount of conjugated diene such that at least 2.5% of the emulsified bituminous binder residuum weight comprises conjugated diene, preferably at least 3.0%, more preferably at least 3.5%, and most preferably 4.0%; forming at least one bituminous mixture comprising the emulsified bituminous binder and an aggregate; testing each bituminous mixture for mixture fracture energy properties; and selecting a emulsified bituminous binder for use in the crack resistant layer. The method may further comprise the steps of testing the bituminous mixture for fatigue properties and selecting the emulsified bituminous binder for use in the crack resistant layer based on fatigue properties and mixture fracture energy properties, and/or testing the emulsified bituminous binder residuum for fracture energy and selecting the emulsified bituminous binder for use in the crack resistant layer based on mixture fracture energy properties and bituminous binder fracture residuum energy properties. | 09-02-2010 |
| 20100222468 | CRACK RESISTANT LAYER WITH GOOD BEAM FATIGUE PROPERTIES AND METHOD OF SELECTING SAME - A method of selecting a crack resistant layer to be applied to an existing surface, the method comprising the steps of: selecting at least one bituminous binder to examine, where the bituminous binder comprises bitumen and one or more polymers, where the one or more polymers include a sufficient amount of conjugated diene such that at least 2.5% of the bituminous binder's weight comprises conjugated diene, preferably at least 3.0%, more preferably at least 3.5%, and most preferably 4.0%; forming at least one bituminous mixture comprising the bituminous binder and an aggregate; testing each bituminous mixture for fatigue properties; and selecting a bituminous binder for use in the crack resistant layer. The method may further comprise the steps of testing the bituminous mixture for fracture energy and selecting the bituminous binder for use in the crack resistant layer based on fatigue properties and fracture energy properties, and/or testing the bituminous binder for fracture energy and selecting the bituminous binder for use in the crack resistant layer based on fatigue properties and bituminous binder fracture energy properties. | 09-02-2010 |
| 20100222469 | A CRACK RESISTANT LAYER WITH GOOD BINDER FRACTURE ENERGY PROPERTIES AND METHOD OF SELECTING SAME - A method of selecting a crack resistant layer to be applied to an existing surface, the method comprising the steps of: selecting at least one bituminous binder to examine, where the bituminous binder comprises bitumen and one or more polymers, where the one or more polymers include a sufficient amount of conjugated diene such that at least 2.5% of the bituminous binder's weight comprises conjugated diene, preferably at least 3.0%. more preferably at least 3.5%, and most preferably 4.0%; forming at least one bituminous mixture comprising the bituminous binder and an aggregate; testing each bituminous binder for binder fracture energy properties; and selecting a bituminous binder for use in the crack resistant layer. The method may further comprise the steps of testing the bituminous mixture for fatigue properties and selecting the bituminous binder for use in the crack resistant layer based on fatigue properties and binder fracture energy properties, and/or testing the bituminous mixture for fracture energy and selecting the bituminous binder for use in the crack resistant layer based on mixture fracture energy properties and bituminous binder fracture energy properties. | 09-02-2010 |
| 20110015313 | RECLAIMED ASPHALT PAVEMENT CONTAINING POLYPHOSPHORIC ACID MODIFIED BINDER - Pavement compositions containing increased amounts of reclaimed asphalt pavement (RAP) are described. Addition of polyphosphoric acid (PPA) to pavement compositions containing RAP allows increased RAP content in road pavements while maintaining acceptable properties in the final pavement composition. Methods for producing road pavements containing RAP and PPA are also provided. | 01-20-2011 |
| 20110021673 | WARM MIX ASPHALT BINDER COMPOSITIONS CONTAINING LUBRICATING ADDITIVES - The present invention provides a functionally dry warm mix asphalt binder composition modified with lubricating agents or additives that can be mixed with aggregate and compacted at temperatures substantially below asphalt binder compositions that do not contain the disclosed lubricating additives. | 01-27-2011 |
| 20110034595 | Asphalt Modifier Composition and Asphalt Composition Comprising the Same - Disclosed are block copolymer formed by block-copolymerizing vinyl aromatic hydrocarbon and conjugated diene compound and asphalt modifier composition including specific functional additives. Asphalt modifier composition according to the present invention is rapidly dissolved in asphalt without substantially lowering a softening point of asphalt, making it possible to form uniform asphalt composition and improve the productivity of the asphalt composition. | 02-10-2011 |
| 20110098385 | PROCESS FOR CROSS-LINKING BITUMEN/POLYMER COMPOSITIONS HAVING REDUCED EMISSIONS OF HYDROGEN SULPHIDE - The invention relates to a method of preparing crosslinked bitumen/polymer compositions having reduced emissions of hydrogen sulphide, in which, while operating at temperatures between 100° C. and 230° C. and with stirring, for a duration of at least ten minutes, at least one bitumen or mixture of bitumens is brought into contact with at least one polymer and at least one crosslinking agent, said crosslinking agent being represented by the general formula HS—R—SH where R represents a saturated or unsaturated, linear or branched, cyclic and/or aromatic hydrocarbon-based group having 2 to 40 carbon atoms, optionally comprising one or more heteroatoms, and that does not comprise a C═O carbonyl function and/or a O—C═O carboxylate function. | 04-28-2011 |
| 20110160356 | CRUMB RUBBER MODIFIED ASPHALT WITH IMPROVED STABILITY - The present invention relates to a method for producing a crumb rubber modified asphalt comprising the steps of:
| 06-30-2011 |
| 20110196074 | SYSTEM AND METHOD FOR HIGH THROUGHPUT PREPARATION OF RUBBER-MODIFIED ASPHALT CEMENT - This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions. | 08-11-2011 |
| 20110319533 | NON-GELLABLE AND PUMPABLE CONCENTRATED BINDER FOR BITUMEN/POLYMER - The present disclosure relates to a concentrated binder having a very high polymer content comprising a soft aromatic petroleum base, optionally a bituminous base and at least one polymer characterized in that the polymer content in the concentrated binder is greater than or equal to 20% by weight, preferably greater than or equal to 25% by weight, and the use thereof in the preparation of a dilute bitumen/polymer binder for the fields of road applications, in particular in the manufacture of road binders, and in the fields of industrial applications. | 12-29-2011 |
| 20120214912 | USE OF FATTY ACID DERIVATIVES IN BITUMINOUS COMPOSITIONS FOR IMPROVING THEIR RESISTANCE TO CHEMICAL ATTACK AND BITUMINOUS COMPOSITIONS COMPRISING SAID DERIVATIVES - The present disclosure relates to the use of at least one fatty acid derivative of general formula (1) in a bituminous composition for improving their resistance to aggressive chemical agents, and in particular to hydrocarbons, such as gasolines, gas oils and/or kerosenes, general formula (1) being: | 08-23-2012 |
| 20120252940 | System and Method for High Throughput Preparation of Rubber-Modified Asphalt Cement - This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions. | 10-04-2012 |
| 20120283365 | STOCK SOLUTIONS HAVING HIGH CONCENTRATIONS OF POLYMERS BASED ON OILS OF PLANT AND/OR ANIMAL ORIGIN FOR THE PREPARATION OF BITUMEN/POLYMER COMPOSITIONS - The present disclosure relates to a mother solution free from oil of petroleum origin including at least one oil of vegetable and/or animal origin, from 20% to 50% by mass of polymer, with respect to the mass of the mother solution, with or without at least one cross-linking agent, the oil of vegetable and/or animal origin being acid, with an acid value measured according to the standard NF EN ISO 660 including between 50 and 300 mg KOH/g. This mother solution with a very high concentration of polymer is stable and does not gel and can therefore be diluted and used for preparing cross-linked bitumen/polymer compositions, then bituminous mixes. | 11-08-2012 |
| 20130005871 | ORGANIC FUNCTIONALIZATION OF LAYERED DOUBLE HYDROXIDES - The present invention relates to a method for preparing an organically functionalized layered double hydroxide which comprises reacting (a) a layered double hydroxide, (b) a triglyceride oil, (c) an enzyme which is capable of catalyzing the hydrolysis of an ester, and (d) water, to produce the organically functionalized layered double hydroxide. The subject invention further reveals a method for preparing an organically functionalized layered double hydroxide as specified in claim 1 which comprises (1) dispersing into an aqueous medium (a) the layered double hydroxide, (b) the triglyceride oil, and (c) the enzyme, (2) allowing the triglyceride oil to hydrolyze into long-chain fatty acids and glycerol to produce a dispersion of the organically functionalized layered double hydroxide; and (3) recovering the organically functionalized layered double hydroxide from the aqueous dispersion. | 01-03-2013 |
| 20130090415 | ADDITIVE FOR RECLAMATION OF ASPHALT, RECLAIMED ASPHALT PAVEMENT MATERIAL CONTAINING SAME, MODIFIED ASPHALT, AND ASPHALT PAVEMENT MATERIAL CONTAINING SAME - An additive for reclaiming asphalt of the present invention, which is obtained by adding straight asphalt to a mixture of a waste animal or vegetable oil and a waste mineral oil having a kinematic viscosity at 60° C. of 10 mm | 04-11-2013 |
| 20130116364 | METHOD FOR PRODUCING AGGLOMERATES HAVING RUBBER AND WAX, AGGLOMERATES PRODUCED ACCORDING TO THE METHOD, AND USE OF THE AGGLOMERATES IN ASPHALT OR BITUMEN MASSES - A method for producing bulk good of agglomerates made of rubber particles and wax. A composition of the agglomerate and the use of the bulk good to produce asphalt or bitumen masses are created in that rubber is activated by swelling and using a swelling agent and a melt made of viscosity-reducing wax and of optional polyoctenamer is added, the activated rubber particles are agglomerated by means of the viscosity-reducing wax and optional adhesion-improving substances. The resulting larger volume leads to a viscosity reduction and the softening leads to a more intimate and more homogeneous wetting with the wax and, in the mixed good to be produced, a viscosity reduction remaining stable in the mixed good for <180 min and an increased stability of the cross-linking of the rubber molecules among each other after the agglomerates have been incorporated are achieved. | 05-09-2013 |
| 20130210966 | BITUMINOUS COMPOSITION - The invention provides a bituminous composition comprising a bitumen in an amount ranging from 20 to 80% wt, a copolymer comprising one or more vinyl aromatic compounds and one or more conjugated dienes, in an amount of 0.1 to 7 % wt, and sulphur in an amount of 20 to 60% wt, all percentages based on the weight of bitumen, copolymer and sulphur. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition. | 08-15-2013 |
| 20130261232 | SUPER CONCENTRATED POLYMER-BINDER COMPOSITE - A pre-processed polymer concentrate in binder comprising a binder and at least one polymer that contains at least | 10-03-2013 |
| 20130261233 | METHOD FOR PREPARING SILICON-SULFUR COMPOUNDS AND THEIR USE IN BITIMINOUS COMPOSITIONS - A method of producing sulfur modified organosilane compounds that can be used in asphalt binders which method involves: combining together an organosilane or mixtures of organosilanes, a sulfide, a halogen acceptor and solvent to form a reaction mixture; and allowing the organosilane to react with the sulfide in the presence of a halogen acceptor to produce a sulfur modified organosilane compound. The sulfur modified organosilane compound can be introduced into a polymer modified or unmodified asphalt binder in which the sulfur modified organosilane compound reacts with components in the asphalt mixture to form a modified asphalt. The organosilanes used to produce the sulfur modified organosilanes can be from a source of waste products (such as Direct Product Residue) in which case the waste products can be reused in asphalt binders. | 10-03-2013 |
| 20130303666 | ADDITIVE FOR A BITUMEN AND BITUMINOUS PRODUCT - An additive for a bitumen or polymer modified bitumen product, which is prepared by mixing together a sulphur-based product, a vulcanized rubber, for example, a waste vulcanized rubber, preferably a fatty acid, and a bitumen, is described. The use of this additive for preparing, with very limited gaseous emissions, elastomer-containing bituminous product is also described. Such use may be especially suitable for making bituminous coated material including, for example, asphalt concrete. | 11-14-2013 |
| 20140024747 | System and Method for High Throughput Preparation of Rubber-Modified Asphalt Cement - This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions. | 01-23-2014 |
| 20140058018 | RE-CAPSULATION OF SYNTHETIC RUBBER POLYMER - A method for making a modified polymer is characterized by re-capsulating the polymer via extrusion. A cross-linking agent is mixed with particles of synthetic rubber material to form a mixture which is then heated and delivered to an extrusion device. The extrusion device further heats the mixture and produces strands of modified polymer material which are cooled and pelletized to form small pellets of re-capsulated modified polymer. A partitioning or anti-blocking agent is added to the pellets to prevent re-agglomerization of the modified polymer. When mixed with asphalt for a sufficient period of time, a modified polymer asphalt is produced with enhanced rheological properties for high and low temperatures. | 02-27-2014 |
| 20140155523 | SYNTHETIC RAW ELASTOMERIC COMPOSITIONS IN FREE-FLOWING PELLET FORM AND PROCESS FOR OBTAINING THE SAME - A raw elastomeric composition in free-flowing pellet form is described, which comprises a raw elastomer with molecular weight from 50,000 to 400,000 Da, and an anti-block agent comprising inorganic fillers, capable of forming emulsions in water. Likewise, a process for obtaining said raw elastomeric compositions in free-flowing pellet form, comprising the steps of: a) polymerizing at least one monomer through solution polymerization in order to obtain elastomer crumb; b) forming an aqueous suspension of the elastomer crumbs; c) dewatering the aqueous suspension; d) adding an anti-block agent comprising inorganic fillers capable of forming emulsions in water; e) drying the dewatered suspension; and f) pelletizing the elastomer to form a raw elastomeric composition in free-flowing pellets form. The raw elastomeric composition in free-flowing pellets form thus obtained can be used as an adhesive composition, in asphalt modification and in asphalt emulsions. | 06-05-2014 |
| 20140309343 | MULTIFUNCTIONAL SUPERHYDROPHOBIC DIATOMACEOUS EARTH FOR CHEMICAL ADHESION AND COLOR CHANGE - Provided herein is a multifunctional particle and methods of forming the same. The multifunctional particle includes: a silica particle; a hydrophobic silane; and a silane coupling agent; where each of the hydrophobic silane and the silane coupling agent are chemically bonded to the surface of the silica particle; where the multifunctional particle is superhydrophobic and chemically reactive. | 10-16-2014 |
| 20150051323 | BINDER COMPOUND - The present invention relates to a binder compound based on natural oil, polymer and resin. Such binder compounds can for example be used in roof covering membranes as an environmentally friendly alternative to bituminous roof covering membranes. | 02-19-2015 |
| 20150087753 | MODIFIED ASPHALT PAVING COMPOSITION - The present disclosure relates to asphalt paving compositions and methods of making and using the same. | 03-26-2015 |
| 20150133586 | USE OF STYRENE BUTADIENE BLOCK CO POLYMERS HAVING REDUCED STYRENE CONTENT IN THE PREPARATION OF POLYMER MODIFIED ASPHALT BINDER - Compositions and method for an asphalt and polymer composition including a Styrene-Butadiene block copolymer wherein the styrene content of said block copolymer does not exceed 30%. | 05-14-2015 |
| 20150133587 | Low Temperature Preparation of Rubber-Modified Asphalt Cement - This invention encompasses systems, methods, and apparatuses for low temperature preparation of rubber modified asphalt cement as well as resulting compositions. | 05-14-2015 |
| 20150307713 | BITUMINOUS COMPOSITION IN THE FORM OF GRANULES AND METHOD FOR PREPARING SAME - Disclosed is a bituminous composition in the form of granules, each granule including a core and a coating and having a mass for approximately one hundred particles of from 0.5 g to 2 g, the core including from 40 wt. % to 60 wt. % of a binder matrix; from 30 wt. % to 40 wt. % of a polymer; from 4 wt. % to 6 wt. % of a compatibilizing agent; and from 2 wt. % to 15 wt. % of an anti-adhesive filler; and the coating including an anti-sticking agent. The invention relates also to a method for preparing the composition, and to the use thereof in bitumen plants. | 10-29-2015 |
| 20150368470 | Novel highly visco-elastic warm-mix modifier composition and their manufacturing method thereof; and compositions of virgin and recycled modified warm-mix asphalt concrete mixtures and their manufacturing method thereof - The first priority of this invention is to provide the composition and the manufacturing method of a novel highly visco-elastic warm-mix modifier that can be added to asphalt binders for the purpose of reducing environmental pollution, saving natural resources by recycling RAP aggregates, reducing construction cost, and minimizing maintenance cost by extending pavement life-cycle. The highly visco-elastic warm-mix modifier may be manufactured by adding highly viscous and general purpose polymers to elastic polymers in the warm mix modifier. Warm mix additives, including waxes, oils and elastic materials, may also be introduced to the highly visco-elastic warm-mix modifier. In more details, the invention is characterized to manufacture the novel modified recycled (or regular) warm-mix asphalt concrete mixture by heating and mixing 0.5-20 weight parts of the highly visco-elastic warm-mix modifier. | 12-24-2015 |
| 20160009894 | METHOD OF THE PRODUCTION OF A ROOFING ASPHALT COMPOSITION USING CATALYTIC OXIDATION | 01-14-2016 |
| 20160108203 | SULFUR EXTENDED ASPHALT MODIFIED WITH CRUMB RUBBER FOR PAVING AND ROOFING - The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a crumb rubber material. The crumb rubber material is combined with the base asphalt and the elemental sulfur to create the sulfur rubber asphalt binder composition. The crumb rubber material is present in the sulfur rubber asphalt binder in an amount effective to increase the softening point as compared to the softening point of the base asphalt. | 04-21-2016 |
| 20160108242 | METHOD OF MAKING SULFUR EXTENDED ASPHALT MODIFIED WITH CRUMB RUBBER - The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a crumb rubber material. The crumb rubber material is combined with the base asphalt and the elemental sulfur to create the sulfur rubber asphalt binder composition. The crumb rubber material is present in the sulfur rubber asphalt binder in an amount effective to increase the softening point as compared to the softening point of the base asphalt. | 04-21-2016 |
| 20160194580 | BIO-ASPHALT, BIO-ASPHALT COMPOSITION AND METHOD FOR PREPARING THEM | 07-07-2016 |
