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| Number | Title | Issue Date |
| 7357594 | Method of rejuvenating road surfaces with polymer modified asphalt emulsions A composition for rejuvenating asphalt pavement according to the present invention comprises an asphalt binder, water, a cationic surfactant, a recycling agent, and a cationic, co-agglomerated styrene butadiene rubber latex, which includes sulfur and a vulcanizing a... | 04/15/2008 |
| 7297204 | Water-in-oil bituminous dispersions and methods for producing paving compositions from the same There is provided a method for making bituminous compositions comprising water-in-oil bituminous dispersion and aggregate by the steps of: preparing a solvent-free, water-in-oil bituminous dispersion comprising: (1) bitumen, in an amount from about 75.0% to about 95... | 11/20/2007 |
| 7087665 | Quick-setting cationic aqueous emulsions using pre-treated rubber modified asphalt cement Cationic aqueous emulsions of rubber modified asphalt cement (RMAC) useable for paving, seal coat, slurry seal, roofing, coating and other applications. First, a RMAC is prepared by combining 45 to 90% by weight asphalt with about 5% to about 55% by weight solid rec... | 08/08/2006 |
| 7084195 | Latex composition and process for producing the same, and asphalt composition and cationic asphalt emulsion using the same A latex composition includes (i) 100 parts by mass (in terms of a solid content) of an anionic latex containing, as a main component, a conjugate diene copolymer containing (A) 55 to 99.99% by mass of a conjugate diene unit, (B) 0.01 to 5% by mass of an unsaturated ... | 08/01/2006 |
| 7053130 | Method to accelerate biodegradation of aliphatic-aromatic co-polyesters by enzymatic treatment Provided is a method for accelerating the biodegradation of aliphatic-aromatic co-polyesters comprising greater than 60 mol percent aromatic acid, based on total diacid in the co-polyester. The method involves contacting at least one hydrolytic enzyme in aqueous sol... | 05/30/2006 |
| 6982291 | Material conditioner and stabilizer and method for making and using same A chemical composition and method for enhancing the physical properties of a materials. The composition may be used as a material conditioner and stabilizer is disclosed. The chemical composition may include a resin, a polymer, an emulsifier and an asphalt emulsion.... | 01/03/2006 |
| 6855754 | Asphalt-based formulations and method of making and using the same for paving and coating applications An asphalt-based, cold paving/coating formulation that provides increased flexibility with respect to the choice of aggregate types, asphalt emulsion types, type and amount of the surfactants used to produce the asphalt emulsion, asphalt emulsion pH's and applicatio... | 02/15/2005 |
| 6384112 | Emulsified bituminous binder A bitumen emulsion comprising bituminous binder, emulsifier, and water. The bituminous binder comprises bitumen and an oxidised wax, and optionally one or more polymers. The incorporation of the oxidised wax into the bituminous binder provides modified bi... | 05/07/2002 |
| 6331203 | Aqueous ink composition for ball-point pen An aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about ... | 12/18/2001 |
| 6156828 | Rubber base asphalt emulsion method A gel-like emulsion containing natural rubber and crumb rubber from used vehicle tires which may be added to an asphalt paving emulsion at ambient temperature for chip coating, slurry sealing, microsurfacing, soil stabilization or pavement recycling.... | 12/05/2000 |
| 5929144 | Plasticized styrene ethylene butylene styrene (SEBS) copolymer rubber modified asphalt mixture Process and composition for styrene-ethylene-butylene-styrene (SEBS) block copolymer modified asphalt mixtures for use in roofing, sealing, paving, and waterproofing membranes. A plasticized SEBS compound is added to oxidized or unoxidized asphalt flux in... | 07/27/1999 |
| 5854322 | Coal tar pitch modified by nitrile butadiene rubber A modified coal tar pitch useful in roofing applications, containing coal tar pitch, and a nitrile butadiene rubber, is blended by heating the coal tar pitch to a molten temperature, adding the rubber in powder form and agitating the material in a suitabl... | 12/29/1998 |
| 5834539 | Multiple phase emulsions in burner fuel, combustion, emulsion and explosives applications A multiple phase emulsion or gel including a water phase within at least one oil phase in which either or both of the phases contains one or more chemical moieties selected from a group consisting of organic compounds that have multiple hydroxide function... | 11/10/1998 |
| 5795929 | Polymer enhanced asphalt emulsion The present invention relates to an asphalt composition prepared from bitumen (asphalt), linear and non-linear copolymers of styrene and butadiene, cross-linking agents, and emulsifiers. The present invention compositions are useful for industrial applica... | 08/18/1998 |
| 5776234 | Anionic bituminous emulsions with improved adhesion This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers such as styrene butadiene rubbers (SBR), styrene block copolymers (SBS), ethylene vinyl ace... | 07/07/1998 |
| 5772749 | Anionic bituminous emulsions with improved adhesion This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers such as styrene butadiene rubbers (SBR), styrene block copolymers (SBS), ethylene vinyl ace... | 06/30/1998 |
| 5750598 | Bitumen/polymer composition vulcanizable at temperatures below 100°C The bitumen/polymer composition comprises a bitumen, an elastomeric polymer vulcanisable with sulphur in an amount of 0.5 to 20% by weight of the bitumen, a sulphur-donating vulcanising agent, a vulcanisation accelerator and a viscosity-reducing agent cho... | 05/12/1998 |
| 5670562 | Adhesion enhancers for anionic bituminous emulsions This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers such as styrene butadiene rubbers (SBR), styrene block copolymers (SBS), ethylene vinyl ace... | 09/23/1997 |
| 5668197 | Anionic bituminous emulsions This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers, solvents, or polymer latices. Particularly, the invention relates to improved methods for ... | 09/16/1997 |
| 5521235 | Bitumen emulsion and its use A bitumen emulsion of the cationic type is disclosed which contains a thickener comprising at least one substance selected from the group consisting of associative thickeners of the nonionic type. The invention also relates to the use of a thickener of th... | 05/28/1996 |
| 5372643 | Agent increasing the rate of hardening of cements, mortars and concretes while maintaining their workability The invention relates to an agent increasing the rate of hardening of cements, mortars and concretes while maintaining their workability. It also concerns an adjuvant for cements, mortars and concretes, comprising an effective quantity of said agent, and ... | 12/13/1994 |
| 5306343 | Tagging and identifying asphalt additives A tag is added to an asphalt additive, typically an anti-stripping agent. The additive dye is mixed with other components of an asphalt composition and melt processed at 300° F. (149° C.) or above to produce an asphalt composition. Presence of the tag t... | 04/26/1994 |
| 5278207 | Asphalt amine functionalized polymer composition A bituminous composition comprising a bituminous component, a polymer which comprises at least one block of a conjugated diolefin and at least one block of an acrylic monomer such as an alkyl methacrylate and from 0.001 parts to 1 part by weight of a poly... | 01/11/1994 |
| 5177130 | Rubberized chemical emulsion A rubberized chemical emulsion having rubber added to an anionic material after the anionic material has passed through a colloid mill.... | 01/05/1993 |
| 5110833 | Preparation of synthetic enzymes and synthetic antibodies and use of the thus prepared enzymes and antibodies A method of preparing synthetic enzymes and synthetic antibodies in which method use is made of the so called molecular imprinting method, is described. As imprinting molecules use is made of transition state analogues, substrate-like compounds and antige... | 05/05/1992 |
| 5045576 | Latex conversion to cationic form use, for example in cationic asphalt emulsion The present invention provides for a method of converting an anionic latex to a cationic latex by the addition of a steric stabilizer and a cationic surfactant. The invention also provides for a method of using the cationic latex prepared by the conversio... | 09/03/1991 |
| 5019610 | Process for the production of polymer-modified asphalts and asphalts emulsions Disclosed is a polymer-modified asphalt composition which comprises a mixture of (a) a blend of from about 10 to 75 weight-percent of one or more of a thermoplastic rubber polymer and from about 90 to 25 weight-percent of one or more of a fatty dialkyl am... | 05/28/1991 |
| 4997868 | Cationic asphalt emulsions The setting time of cationic emulsions of asphalt, bitumen, coal tar or a mixture thereof may be shortened by incorporating into such emulsion at least 0.001 parts by weight per 100 parts by dry weight of said emulsion of a polycarboxylic acid.... | 03/05/1991 |
| 4990591 | Anionic slurry seal emulsifiers An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the reaction of such products with acrylic acid, and the uses of... | 02/05/1991 |
| 4990592 | Anionic slurry seal emulsifiers An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the reaction of such products with acrylic acid, and the uses of... | 02/05/1991 |
| 4990590 | Anionic slurry seal emulsifiers An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the reaction of such products with acrylic acid, and the uses of... | 02/05/1991 |
| 4970025 | Cationic emulsions of bituminous binders of the type bitumen/polymer and cationic emulsifying system preferably utilizable for obtaining said emulsions This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid... | 11/13/1990 |
| 4921892 | Setting asphalt emulsions Anionic Emulsions of asphalt, bitumen, or tar which may optionally contain a latex of a rubbery polymer may be set using a destablizing system comprising either an alkali silicofluoride in the presence of a sulfamate or a mixture of an amine in the presen... | 05/01/1990 |
| 4879326 | Cationic emulsions of bituminous binders of the type bitumen/polymer and cationic emulsifying system preferably utilizable for obtaining said emulsions This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid... | 11/07/1989 |
| 4812327 | Emulsion-type rust preventive baking composition Emulsion type rust-preventive baking composition which comprises a polymer emulsion such as an aqueous acrylic resin emulsion and a heat-fusible organic filler having a melting or softening point within the range of 40°-250° C. which is higher by at lea... | 03/14/1989 |
| 4780146 | Modified asphalt An asphalt composition comprises a bituminous material blended with a reaction product of ethylene diamine and a blend of a dibasic acid and one or more fatty acid residues.... | 10/25/1988 |
| 4772648 | Cationic emulsions of bituminous binders of the type bitumen/polymer and cationic emulsifying system preferably utilizable for obtaining said emulsions This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid... | 09/20/1988 |
| 4745155 | Emulsified crack or joint filler The present invention provides an aqueous emulsion joint and crack filler capable of passing the ASTM Specification 1190 for joint and crack fillers. The emulsion solids are the reaction product of asphalt, an extender oil, a mixture of elastomers, an acr... | 05/17/1988 |
| 4724245 | Process for the preparation of an aqueous emulsion composition of asphalt-polyurethane The process according to the invention is characterized by the following stages: (A) an emulsion of asphalt composition is made starting from (a) an asphalt composition prepared by adding, at a temperature of 100° to 150° C., 20 to 95 parts of asphalt t... | 02/09/1988 |
| 4663370 | Fiberized joint/crack sealant composition Polyolefin reinforced asphalt paving and sealing composition containing straight chain unsaturated fatty acid having up to 30 weight percent rosin as a plasticizer, plus an adhesion control component comprising high density polyolefin fines; and a corresp... | 05/05/1987 |
