Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7341624 | Asphalt compositions and the preparation thereof Asphalt compositions and methods of forming such are described herein. The asphalt compositions and methods of forming such are generally adapted to enable open air processing while producing asphalt compositions that exhibit properties capable of meeting SUPERPAVEâ... | 03/11/2008 |
| 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 |
| 7186765 | Method for preparation of stable bitumen polymer compositions The present invention provides a method for preparing an asphalt and thermoplastic elastomer composition. The process comprises heating an asphalt cut in a stirred tank to a temperature sufficient to allow the stirring of the asphalt in the tank. A thermoplastic ela... | 03/06/2007 |
| 7150785 | High performance asphalt using alkyl aromatic sulfonic acid asphaltene dispersants Disclosed is a high performance asphalt comprising a mixture of low to moderate performance asphalt with linear or branch chain alkyl substituted aromatic sulfonic acid. The high performance asphalt is made by mixing the low to moderate performance asphalt with 1 to... | 12/19/2006 |
| 7067077 | Process for manufacturing friction material suitable for use as brake lining Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as graphite,.to provide an intermediate product having open porosity and su... | 06/27/2006 |
| 7037961 | Method for preparation of asphalt composition A method for preparing an asphalt composition includes the steps of providing asphalt; mixing sulfur with the asphalt at a temperature greater than 200° C. to provide a sulfur-asphalt blend; providing a heavy aromatic oil; and mixing the heavy aromatic oil with the... | 05/02/2006 |
| 7033485 | Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process Described are methods that utilize high efficiency evaporative distillation to make a high softening point coal tar pitch, a quinoline insoluble-free and ash-free coal tar pitch having a desired softening point, and a mesophase coal tar pitch. Each of the methods us... | 04/25/2006 |
| 7008526 | Processes for producing coke, artificial graphite and carbon material for negative electrode of non-aqueous solvent type secondary battery and pitch composition used therefor When a pitch composition prepared by mixing 100 parts by weight of mesophase pitch with 10 to 1,000 parts by weight of coal tar pitch, is heat-treated at a temperature of 500° C. or higher, it is possible to produce a high-density coke at a high yield while avoidin... | 03/07/2006 |
| 6863724 | Sulfur additives for paving binders and manufacturing methods Sulfur, useable in as an additive to asphalt in the preparation of asphalt binders can be plasticized by addition of carbon and further treated with amyl acetate. This plasticized sulfur can be formed into solid particles and then added to asphalt as either a minori... | 03/08/2005 |
| 6802897 | Biodiesel sulfur slurry A slurry mixture of sulfur in a liquid carrier comprising an ester derived from vegetable oils or animals fats such as biodiesel is disclosed. Also disclosed is a method of preparing a mixture of asphalt, polymer and sulfur comprising blending together, at asphalt b... | 10/12/2004 |
| 6730158 | Asphaltic concrete and method of making same A composition of asphaltic concrete and the method of making the same are disclosed. The asphaltic concrete has asphalt cement, sulfuric acid and citrus stripper oil admixed together. This admixture is mixed with some aggregate and then packed and consolidated. The ... | 05/04/2004 |
| 6444731 | Modified asphalt A method for manufacturing modified asphalt is characterized by adding a dispersion agent such as furfural or vegetable oil to a modifier material and then mixing the modifier material with asphalt. The dispersion agent facilitates dispersion of the modif... | 09/03/2002 |
| 6153004 | Safe sulfur slurry A sulfur in oil in asphalt blend is disclosed. A polymer-free slurry of solid, elemental, sulfur in liquid oil is used to add sulfur to asphalt. Addition of a slurry of solid sulfur in oil, or oil containing sulfur compounds, permits rapid and effective d... | 11/28/2000 |
| 6048447 | Asphalt compositions containing solvent deasphalted bottoms and rerefined lube oil bottoms, and their preparation An asphalt composition is provided which contains i) an asphalt component containing solvent-deasphalted bottoms, ii) a rerefined lube bottoms fraction, iii) an optional fluxing component, and iv) an optional vacuum bottoms component. The invention furthe... | 04/11/2000 |
| 6001162 | Sulfur-treated asphalt compositions and their preparation A method is provided for preparing asphalt composition, e.g., solvent deasphalting (SDA)-produced asphalt composition comprising a mixture containing SDA bottoms with or without vacuum tower bottoms and lube plant extract, which method comprises treating ... | 12/14/1999 |
| 5782962 | Cleaning and polishing composition A surface protective composition especially for use on automobiles is prepared which contains about 0.1 to 5% of a film forming fluorine containing polymer, 0 to 10% of micronized wax, a hydrocarbon solvent, an organosilicone compound, a surfactant and wa... | 07/21/1998 |
| 5683498 | Process for preparing rubber-modified asphalt compositions A modified asphalt composition having improved low-temperature fracture properties is obtained by devulcanizing crumb rubber, preferably ground rubber tire. The devulcanization is effected without the use of harsh oxidizing treatments or the addition of p... | 11/04/1997 |
| 5637141 | Pavement binder and method of making same (LAW441) The present invention provides a method of making storage-stable road paving binders by blending a minor amount of an unsaturated polymer (e.g., having at least one diene monomer) with a major amount of asphalt at an elevated temperature such that the com... | 06/10/1997 |
| 5584920 | Sulphonated hydrocracking residues as concrete admixtures A process is described for preparing a water-soluble sulphonated dispersant from a petroleum hydrocracking residue comprising: contacting a petroleum hydrocracking residue boiling above 524° C. with concentrated sulphuric acid, oleum or sulphur trioxide ... | 12/17/1996 |
| 5549744 | Pavement Binder The present invention provides for a method of making storage stable road paving binders by blending a minor amount of a polymer having at least one diene monomer with a major amount of asphalt containing at least 0.3% by weight of total nitrogen at an el... | 08/27/1996 |
| 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 |
| 5372702 | Composition for use in the production of composite carbon materials, composition carbon material produced therefrom, and process for producing the same The improved composition for use in the production of composite carbon materials comprises a mesophase pitch containing at least 80% of an optical anisotropic phase and having a softening point of no higher than 250° C., and sulfur present in an amount o... | 12/13/1994 |
| 5322556 | Process for preparing a sulfonated dispersant from petroleum asphalt fractions A process for preparing a sulfonated dispersant from a petroleum asphalt fraction, comprising: establishing contact between the asphalt fraction dissolved in an inert solvent and liquid or gaseous sulfur trioxide at a temperature equal to or less than 60Â... | 06/21/1994 |
| 5248407 | Storage stable polymer modified asphalt paving binder Paving binders, especially hot mix paving mixtures, having excellent storage stability, reduced binder runoff, and high temperature viscosity are formed by adding a copolymer of ethylene with an alkyl acrylate or vinyl acetate and a neutralized sulfonated... | 09/28/1993 |
| 5076845 | Process for producing formed carbon products The present invention discloses a process for producing a formed carbon products which comprises the steps of mixing a pitch or a pitch precursor and at least one kind of polymer becoming compatible with the pitch or the pitch precursor by heat-treating a... | 12/31/1991 |
| 5000789 | Chemical soil stabilization There is disclosed a method for chemically stabilizing cohesive soils. Sulfuric acid, citrus stripper oil, and water are admixed to the soil. Then the soil is packed to consolidate the soil particles.... | 03/19/1991 |
| 4769288 | Sulfur-coated asphalt pellets A new composition is disclosed which comprises pellets of asphalt coated with a solid layer of sulfur. The sulfur shell provides a meltable container for the asphalt core while protecting it from contact with the atmosphere. The relative quantities of sul... | 09/06/1988 |
| 4756763 | Method of making and using asphalt compositions Crushed sulfur is melted by and is mixed with hot liquid asphalt at a manufacturing plant, after which the mixture is formed into sulfur-asphalt pellets. The sulfur added to the asphalt prevents a mass of the pellets from flowing and conglomerating at amb... | 07/12/1988 |
| 4750984 | Method of producing asphalt A method of producing high quality, homogenous asphalt comprising the steps of mixing and heating a hydrocarbon feedstock not normally suited for asphalt production with elemental sulfur and agitating the resulting mixture. A halide catalyst may be added ... | 06/14/1988 |
| 4744882 | Polycondensates of sulfonated coal tar fractions A simpler and new process for the polycondensation of a sulfonated coal tar fraction comprising: sulfonating a coal tar fraction having a distillation range of 200° to 240° at normal pressure, with an excess of 20-30% mole of sulfuric acid, as opposed t... | 05/17/1988 |
| 4713117 | Method for producing industrial asphalts without air-blowing using an organic sulfonic acid Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing: (a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees ... | 12/15/1987 |
| 4711672 | Asphaltic composition An asphaltic composition having improved temperature susceptibility and a method of manufacturing the improved asphaltic composition are disclosed. The improvement is directed at the addition of a stabilizing agent selected from the group consisting of Gr... | 12/08/1987 |
| 4571269 | Asphalt compositions Addition of selected dispersants comprising metal petroleum sulfurates and selected oil-soluble esters to asphaltic fractions exhibiting a positive Oliensis spot test to improve the properties thereof so that the asphaltic material will pass the Oliensis ... | 02/18/1986 |
| 4559128 | Method for producing industrial asphalts Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing: (a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees ... | 12/17/1985 |
| 4450011 | Cationic bituminous emulsions Reaction products of polyamines with sulfonated oleic acid or sulfonated tall oil fatty acids are disclosed which give emulsions capable of producing cationic medium set mixing grade asphalt emulsions, as well as rapid set asphalt emulsions. Solventless a... | 05/22/1984 |
| 4440579 | Air blowing asphalt using sulfonic acid catalyst A process for air blowing asphalt in the presence of organic sulfonic acids and an asphalt composition comprising a major amount of asphalt and a minor but effective amount of organic sulfonic acid.... | 04/03/1984 |
| 4387167 | Sulfur-based adducts and compositions A novel sulfur-based adduct formed by reacting sulfur with a diene-containing by-product hydrocarbon mixture available from petrochemical operations and/or from coal processing. The adduct is a reaction product of sulfur and each of the dienes contained i... | 06/07/1983 |
| 4381200 | Glass insulation with an insolubilized asphalt binder An improved process for forming an acoustical or thermal insulating fibrous glass product is provided, wherein the binder employed is asphalt and the asphalt is converted into a substantially insolubilized form.... | 04/26/1983 |
| 4375988 | Bituminous binder, process for its production and use Bituminous binders are disclosed which contain at least one silane and show excellent improvement of adhesion. The bituminous binder containing silane is manufactured by heating The bituminous binder to a temperature of 120°-230° C. and stirring in the ... | 03/08/1983 |
| 4302255 | Sulfur-based adduct and compositions containing the adduct A novel sulfur-based adduct formed by reacting sulfur with a diene-containing by-product hydrocarbon mixture available from petrochemical operations and/or from coal processing. The adduct is a reaction product of sulfur and each of the dienes contained i... | 11/24/1981 |
