Matches 1 - 50 out of 118 1 2 3 >


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8137530 Process for producing petroleum coke  
A process is provided for producing petroleum coke that is high in strength and sufficiently small in thermal expansion coefficient and sufficiently suppressed from puffing. The process includes...
8022118 Drag reduction of asphaltenic crude oils  
A system for reducing pressure drop associated with the turbulent flow of asphaltenic crude oil through a conduit. The crude oil has a high asphaltene content and/or a low API gravity. Such...
8007657 Preparation and treating of bituminous compositions  
Described is the use, for preparing or treating bituminous compositions, of at least one compound selected among: esters of glycolic, lactic and gluconic acids, methylic, ethylic and isobutylic...
7988846 Methods and systems for modifying asphalts  
A method for modifying asphalt comprises blowing an oxygen-containing gas through a base asphalt at a high gas flow rate while simultaneously agitating the base asphalt at a high shear rate and at...
7968020 Hot asphalt cooling and pelletization process  
Systems and methods for pelletizing hot asphaltenes are provided. Asphaltenic hydrocarbons can be dispersed to provide two or more asphaltenic particles. The asphaltenic hydrocarbons can be at a...
7964173 Feedstock composition and raw coke for electricity storage carbon material and needle coke  
The present invention provides feedstock compositions for use of the production of an activated carbon for electric double layer capacitor electrodes or the production of needle coke, comprising a...
7959888 Raw coke for electricity storage carbon material and needle coke  
The present invention provides a raw coke having such a structure that the graphitized product resulting from graphitization of the raw coke at a temperature of 2800° C. under an inactive gas ...
7906010 Use of steam cracked tar  
The invention relates to the use of steam cracked tar with the bottoms product of a flash drum integrated with a pyrolysis furnace. In embodiments, the steam cracked tar is added to fuel oil.
7901563 Preparation of industrial asphalt  
The present invention relates to a method for preparing an industrial asphalt comprising (1) heating an asphalt flux to a temperature which is within the range of about 400° F. (204° C.) to 550° F....
7282135 Low viscosity, high carbon yield pitch product  
A low viscosity, high coking value petroleum tar material having a high coking value as compared to standard petroleum tars and containing at least one biodiesel material dissolved therein, and a...
7252755 Viscosity modification of heavy hydrocarbons  
A low-viscosity, high-softening point heavy hydrocarbon material having a viscosity-reducing amount of at least one biodiesel material dissolved in a heavy hydrocarbon, and a method for producing...
7094331 Viscosity modification of heavy hydrocarbons using dihydric alcohols  
A low viscosity, high softening point heavy hydrocarbon material having a viscosity reducing amount of at least one dihydric alcohol dissolved therein, and a method for producing such heavy...
7067050 Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content  
A binder pitch material includes a petroleum pitch and asphalt fraction obtained from petroleum crude oil and has a significantly lower polycyclic aromatic hydrocarbon composition than a coal tar...
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 ...
6717021 Solvating component and solvent system for mesophase pitch  
A solvating component for a solvated mesophase pitch. The solvated component includes a mixture of aromatic hydrocarbons having boiling points in the atmospheric equivalent boiling point range of...
6659684 System for repairing bituminous wearing courses  
A method for repairing a damaged area of a bitutinous wearing course. The method comprises heating the damaged area, applying a liquid to the damaged area that rejuvenates damaged bitumen, adding...
6478951 Compatibilizer for crumb rubber modified asphalt  
A compatibilizer and process for use in making crumb rubber modified asphalt. The compatibilizer causes the crumb rubber to completely interact with the asphalt, thereby improving the rheological...
6383365 Low softening point petroleum pitch and sealer  
A 40 petroleum pitch is disclosed. A high melting point petroleum pitch is blended with a high boiling normally liquid petroleum derived hydrocarbon stream to form a mixture having a softening...
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...
6352637 High coking value pitch  
A high coking value pitch with a relatively low softening point is disclosed. A pitch is distilled or thermally processed to produce an intermediate pitch with an increased coking value and...
6277904 Tires/retreads including trinidad lake asphalt as a component thereof  
New or improved tires and retreads for tires which incorporate Trinidad Lake Asphalt (TLA), also known as Trinidad Natural Asphalt or Epure, as a raw material therein. TLA is advantageously used in...
6267809 Driveway sealer using phase stable pourable pitch  
A low softening point pitch is disclosed. A high melting point (100° C.+) pitch is blended with an aromatic rich liquid hydrocarbon stream to form a pourable pitch mixture having a softening point ...
5843298 Method of production of solids-free coal tar pitch  
A process for converting coal tar containing quinoline-insoluble particles (Q.I.) produces a substantially Q.I.-free coal tar pitch and a separate, Q.I.-containing coal tar pitch. Dehydrated coal...
5746906 Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof  
A coal tar pitch/petroleum pitch blend is disclosed together with a method of making the same. In accordance with the invention, a crude coal tar material is selected according to specific...
5711796 Bituminous compositions having enhanced performance properties  
Bituminous compositions of enhanced physical/performance properties comprising an oxidation product of a naturally occurring asphalt from the Orinoco Belt of Venezuela and the bitumen base...
5632884 Asphalt compositions, method of preparation, and use  
A modified or bridged asphalt composition. The composition can be obtained by treating at least one asphalt base with an acid-derived compound having at least two functional groups capable,...
5534134 Low PAH pitch and process for same  
Described are preferred pitches which comprise a blend of coal tar pitch, petroleum pitch and gilsonite pitch, and preferred processes and compositions which can be used to form such pitches. The...
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...
5192420 Vibration damper obtained by adjusting the resin and aromatic components of the asphalt base  
Disclosed herein is a vibration damper comprising 30-70 wt. % of a vibration damper base composed of approximately 30-38 wt. % of a resin component and approximately 55-65 wt. % of aromatic...
5114648 Method of producing products from rubber compositions  
A process for producing thermoplastic resin products where granulated or particulate vulcanized rubber is sprayed by a heated heavy paraffin distillate composition to form a first intermediate...
5080777 Refining of heavy slurry oil fractions  
For upgrading heavy slurry oil containing catalyst fines from a catalytic cracking operation, the viscosity of the slurry oil is lowered in a hydrovisbreaking process step. In a preferred...
5037697 Carbon fiber and process for producing the same  
The present invention relates to a carbon fiber having a novel structure in which the outer circumferential part of fiber section is constituted of an optically isotropic component and its central...
4978393 Process for the manufacture of stockable dense road asphalts  
A process for the manufacture of stockable dense road asphalt that is comprised of materials, having elements of a diameter from essentially zero to 10-30 mm, coated in a cutback or fluidified...
4904305 Novel asphaltic composition  
A novel asphaltic composition consisting of from about 2% to about 10% w/w of a hydrocracking residue which is the distillation residue obtained from a hydrocracking process of heavy crude oil in...
4851260 Process for producing a penetrative asphaltic binder and applying the binder to a granular material  
A method of producing a penetrative binder product for stabilizing absorptive granular material. The binder product comprising a combination of resin asphaltene residuum, paving grade asphalt, and...
4818367 Asphalt, copolymer and elastomer composition  
An asphalt composition containing an asphalt, a copolymer of an olefin with an anhydride or a nitrile, and an unsaturated elastomer having at least two terminal groups each with an active hydrogen,...
4806227 Carbon black inhibition of pitch polymerization  
There is disclosed pitch prepared from petroleum pitch, which is normally considered to be inferior to coal tar pitch, which petroleum pitch has properties to equal that of coal tar pitch. That is...
4793912 Process for producing a pitch having a low softening point  
A process for producing an optically anisotropic pitch for use in the production of high performance carbon fibers, wherein a compound represented by the formula (1) as a raw starting material is...
4777064 Method of reducing penetration of paving grade asphalts and applying the product to a granular material  
A first method for reducing the penetration of paving grade asphalts. Paving grade asphalt is blended with a solvent extracted resin-asphaltene residuum in the proportions of approximately 75% to...
4755277 Process for the preparation of a hydrocarbonaceous distillate and a residue  
A process is disclosed for the preparation of a hydrocarbonaceous distillate and a hydrocarbonaceous residue, which comprises mixing a residual fraction of a product obtained by catalytic cracking...
4693752 Coating grade asphalt  
An asphalt-based composition comprising an air-blown blend of hard asphalt flux and the residue obtained by vacuum distilling the product obtained by the hydrogenation of asphalt flux, the...
4617062 Roofing asphalt compositions containing hydrocracked pitch  
The present invention relates to a roofing grade asphalt composition which comprises a blend of (a) a petroleum pitch obtained as a residue in the hydrocracking of hydrocarbon oils and (b) as a...
4606808 Method for the preparation of pitches for spinning carbon fibers  
The invention provides a method for the preparation of a pitch spinnable into pitch filaments as a precursor of carbon fibers starting from a pitch material such as coal tar and coal tar pitch....
4581123 Custom blended precursor for carbon artifact manufacture  
This invention is based upon a new concept in carbon artifact manufacture, wherein a precursor can be manufactured by blending extracted components of at least one pitch to give an optimized...
4579645 Starting pitch for carbon fibers  
Provided is a starting pitch for producing carbon fiber by heat-treating the starting pitch to obtain a precursor pitch, melt-spinning the precursor pitch, then rendering the resultant pitch fiber...
4560414 Modifier for paving asphalt  
A modifier for paving asphalt, which comprises Trinidad Epure having a maximum size of less than 25 mm and a pulverulent solid having a maximum size of less than 2.5 mm, the powder comprising...
4533535 Starting pitches for carbon fibers  
A starting pitch for carbon fibers is obtained by mixing (1) 100 parts by volume of a heavy fraction oil boiling at not lower than 200° C. and obtained at the time of fluidized catalytic cracking ...
4446002 Process for suppressing precipitation of sediment in unconverted residuum from virgin residuum conversion process  
The precipitation of sediment in the unconverted residuum derived from a virgin residuum conversion process is reduced significantly by blending with the uncoverted residuum an effective amount of...
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.
4430194 Method for the production of a highly aromatic pitch-like coal by-product  
An improvement in the method for the production of a highly aromatic pitch-like coal by-product by dissolving comminuted coal or similar solid carbon-containing raw materials with aromatic solvents...
Matches 1 - 50 out of 118 1 2 3 >