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| Number | Title | Issue Date |
| 7811372 | Rejuvenating agent and process for recycling of asphalt A rejuvenating agent having a viscosity of from 200 to 60000 cSt at 60° C. and comprising 10-90 weight % palm oil and 90-10 weight % bitumen, where the percentages are based upon the total weight of the composition, is disclosed. The rejuvenating agent is suitable ... | 10/12/2010 |
| 7387674 | Method for solidifying soil and industrial waste, and solidified materials prepared thereby Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6 parts by weight of a 3-5-fold dilution of a solidifying agent and 3-15 ... | 06/17/2008 |
| 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 |
| 7350573 | Servicing a wellbore with wellbore fluids comprising perlite Wellbore fluids comprising an expanded and ground perlite and methods of using the same are disclosed. In one embodiment, the methods include a method of cementing comprising preparing or placing a cement composition comprising cement, water, and an expanded and gro... | 04/01/2008 |
| 7317051 | Moisture curable sealer and adhesive composition A low cost moisture curable sealer and adhesive composition containing a polymer having reactive silyl groups and a bituminous material and having many advantages over conventional moisture cure sealer compositions, including greater elastomeric properties, improved... | 01/08/2008 |
| 7309390 | Strip-resistant asphalt paving composition and method for making the same The present invention is directed to a stripping-resistant asphalt paving composition that contains asphalt, aggregate, polyphosphoric acid, and an alkaline anti-stripping additive. ... | 12/18/2007 |
| 7275890 | Cold in-place recycling of bituminous material A method of reconstructing a road is provided. This method includes taking representative cores of the road, analyzing the cores, selecting a substantially solvent-free emulsion based on climate history, mixing the emulsion and reclaimed asphalt pavement particles t... | 10/02/2007 |
| 7234284 | Composition and method for roofing material installation A solid adhesive for use in roofing construction comprising an asphalt, a polymer, a tackifier, and a plasticizer. ... | 06/26/2007 |
| 7186357 | High swelling ramming paste for aluminum electrolysis cell A new ramming paste for aluminum reduction cell cathodes is a high swelling cold ramming paste made of a blend of pitch, light oil diluent and an aggregate comprising a mixture of anthracite and crushed anode butts or calcined coke. The presence of the crushed anode... | 03/06/2007 |
| 7097703 | Use of anti-strip agents to improve wear characteristics of pavement sealer A sealer base comprising at least one anti-wear agent comprising aliphatic carboxylic acids and aliphatic polyamides is disclosed. ... | 08/29/2006 |
| 6987207 | Hydrocarbonaceous composition The present invention relates to a composition, comprising: (A) an odor-emitting hydrocarbonaceous material; and (B) an odor-suppressing amount of an additive composition comprising soy methyl ester, at least one aldehyde and/or at least one ketone, and at least one... | 01/17/2006 |
| 6972047 | Incorporation of gilsonite into asphalt compositions It has been discovered that a synthetic flux oil can contain and deliver asphaltites, such as gilsonite, more easily and readily to an asphalt to improve its properties. The synthetic flux oil includes the asphaltite and a carrier oil. Depending on the nature of the... | 12/06/2005 |
| 6938386 | Non-cellular adhesive for composite roof structure A composite roof structure, and a corresponding method of fabricating the structure, are disclosed which includes use of a layer of non-cellular adhesive material (preferably a two-component non-cellular polyurea polyurethane adhesive material), roof insulation pane... | 09/06/2005 |
| 6902610 | Reduced-petroleum-distillate mixing grade emulsions and methods A medium-setting bituminous composition or mixing grade emulsion for coating aggregates at ambient temperature with reduced levels of petroleum distillates or other solvents. These emulsions are formed from the combination of about 50 weight percent to 75 weight per... | 06/07/2005 |
| 6858315 | Low VOC asphalt primer An asphalt primer composition which comprises between about 0.8 and about 45 wt. % of a halobenzotrifluoride and between about 55 and about 92 wt. % of liquid cutback asphalt normally employed in building construction and road paving and having a VOC below 200 g/l. | 02/22/2005 |
| 6793726 | Aqueous suspensions with bentonite for mastics and sealants Compositions of an aqueous suspension of a drilling mud bentonite conforming to API specification 13A for mastic and sealant compositions. ... | 09/21/2004 |
| 6753362 | Cold bond adhesive An adhesive composition which requires no applied heat to effect curing and which produces a strong bond between a polymeric capping membrane suitably employed in roofing or siding and a roofing or siding base or substrate which composition essentially comprises a h... | 06/22/2004 |
| 6712895 | Bituminous foam A method of producing a bituminous foam includes supplying a bitumen in water emulsion from a tank (2) into primary and secondary heating circuits (8, 34), whereby the emulsion is heated (via heating coils 12 and 12′) and its pressure r... | 03/30/2004 |
| 6623554 | Protective coating compositions containing natural-origin materials, and method of use thereof A useful composition for protecting metal equipment from corrosion and/or other damage comprises 1) gilsonite, which is a mined asphalt; and/or some other natural-origin or naturally-derived resin, 2) a naturally-derived solvent such as d-limonene and/or ... | 09/23/2003 |
| 6559206 | Bitumen and filled resin emulsion for road surfacing emulsion The invention consists of a bitumen/resin composite emulsion for a road surface protection layer against the attacks of petroleum derivates, realised by mixing a first emulsion comprising at least one resin with a second emulsion comprising a bituminous b... | 05/06/2003 |
| 6403659 | Sealer from SDA asphalt An asphalt based sealer for driveways and the like is disclosed. The material uses a blend of solvent deasphalted (SDA) asphalt blended with a cutter stock as the binder or sealer base. Driveway sealer (an emulsion of clay, water and binder) made with thi... | 06/11/2002 |
| 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 |
| 6361591 | Sealer from asphalt and pitch A better asphalt based sealer for driveways and the like is disclosed. The material uses as a hybrid sealer base or binder comprising a blend of pitch, asphaltic material and cut-back oil as a partial or complete replacement for pure coal tar materials. D... | 03/26/2002 |
| 6306937 | Oxidized all-weather cutback asphalts Fully oxidized cutback asphalts suitable for application in roofing, waterproofing, and sealing applications in all weather conditions, including as mastics and other sealants. Compositions according to the invention comprise unprecedented proportions of ... | 10/23/2001 |
| 6245850 | Reflective asphalt emulsions and method A reflective asphalt emulsion is formed by dispersing asphalt into a slurry of colloidal clay at high shear and thereafter blending titanium dioxide and diatomaceous earth filler, and optionally acrylic latex, at low shear into the emulsion of clay and as... | 06/12/2001 |
| 6203606 | Performance grade asphalt and methods The present invention relates to Performance Grade asphalt and a method for producing the same. The process includes adding a performance grade modifier and aggregates to an asphalt cement. The performance grade modifier reduces the high temperature limit... | 03/20/2001 |
| 6065903 | Enhancing load bearing characteristics of compacted soil Methods are disclosed for preparation of chemically-stabilized emulsions of tall oil in water. Temperature and pH are controlled during preparation of the emulsions so as to prevent saponification and neutralization of acids in the tall oil component. The... | 05/23/2000 |
| 6048904 | Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils The present invention is an asphaltene dispersant containing an aromatic, a sulfonic acid head, and an alkyl tail containing 16 carbons or more and at least one branch of a methyl or longer alkyl. Preferably, the aromatic is a fused two ring aromatic and ... | 04/11/2000 |
| 6000876 | Content and production method for semi-rigid asphalt concrete A semi-rigid asphalt concrete that can be produced under ambient temperature by applying traditional cement concrete production method. A high temperature heating and great pressure rolling that are necessary for producing asphalt concrete in conventional... | 12/14/1999 |
| 5895347 | Chemically stabilized organic emulsions Methods are disclosed for preparation of chemically-stabilized emulsions of tall oil in water. Temperature and pH are controlled during preparation of the emulsions so as to prevent saponification and neutralization of acids in the tall oil component. The... | 04/20/1999 |
| 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 |
| 5762699 | Pavement aggregate treating composition A composition for coating and treating aggregate intended for use in paving applications is a blend of high temperature coal tar pitch combined with coal tar oils resulting from distilling high temperature coke oven tar to pitch having a softening point f... | 06/09/1998 |
| 5662733 | Viscosity and gel strength of organic adhesive compositions by the addition of acidic materials The viscosity and gel strength of organic adhesive coating compositions containing an organic adhesive material, usually asphalt, and clay minerals and cationic surfactants is further enhanced by the addition of small quantities of acidic compounds which ... | 09/02/1997 |
| 5580603 | Pavement rejuvenator and dressing conditioner with blackening agent A pavement rejuvenating composition in which particular coal tar derivatives and other optional ingredients are admixed with one or more blackening agents. The blackening agent may be one or more of the following: soft coal tar pitch, aromatic cracked pet... | 12/03/1996 |
| 5573586 | Asbestos-free, asphalt roofing compositions especially adapted for cold applications Asbestos-free asphalt cold application roofing compositions are made available through the controlled utilization of fly ash.... | 11/12/1996 |
| 5558704 | Paving asphalt concrete composition A paving asphalt concrete composition consists essentially of an oil-impregnated vulcanized rubber crumb and an asphalt-aggregate mixture, in which the oil-impregnated vulcanized rubber crumb consist of 99-60% by weight of vulcanized rubber crumb and 1-40... | 09/24/1996 |
| 5529621 | Surfactants for improving the gel properties of clay minerals in coating compositions This invention is to surfactant compositions which are organic salts of a polyamine and a carboxylic acid. The polyamine has the structure: ##STR1## wherein R is (i) alkyl or alkenyl containing from about 10 to about 22 carbon atoms or (i) R'--O--CH2... | 06/25/1996 |
| 5503871 | Method for sealing and priming prepared substrates for roadways and substrate thereof The present invention provides a method of sealing and priming a prepared substrate, such as a base or sub-base for a roadway, comprising the application of an amount of an emulsion consisting essentially of a first phase of a combination of resinous petr... | 04/02/1996 |
| 5501729 | Pitch based impregnant for carbon and graphite and method A pitch based impregnant for a carbon or graphite body and a method of impregnation. The method involves forming a liquid solution of a substantially solids free pitch having a Q.I. of less than 1% dissolved in furfural and containing an acid catalyst wit... | 03/26/1996 |
| 5494510 | Method of producing an asphalt product This invention provides for a method of producing an asphalt product which includes initially shredding scrap tires within a shredder system (14) where at least partially vulcanized rubber composition is formed into particulates less than approximately 2.... | 02/27/1996 |
