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WO/1986/004916A1 |
Cationic emulsions of bituminous binders of the bitumen/polymer type which are comprised of a dispersion of an organic phase consisting in the bitumen/polymer binder in an aqueous phase containing a cationic nitrogenous emulsifier and a ...
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WO/1986/003134A1 |
A process for extracting soluble ingredients from insoluble bulk materials, especially for separating bitumen and mineral matter from bituminous broken road surface materials and an installation for performing the process. A known such p...
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WO/1986/002952A2 |
The method for producing anisotropic carbon fibres from carbon-containing isotropic pitch comprises the following steps: a) an isotropic pitch of a size smaller than 0.1mm is released from unmeltable components at a temperature comprised...
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WO/1985/001057A1 |
A process for obtaining pitch containing a substantially pure secondary QI component alone, which comprises centrifuging coal tar or coal tar pitch at high temperatures, and heat-treating the obtained supernatant. This heat-treated super...
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WO/1985/000624A1 |
A process for manufacturing carbon fiber or graphite fiber, which comprises melt-spinning a carbonaceous pitch, infusibilizing the resulting pitch fiber, carbonizing and, if necessary, graphitizing it. A precursor of the carbonaceous pit...
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WO/1984/003901A1 |
Additive combinations useful in lubricating compositions containing a major amount of an oil of lubricating viscosity. The additive compositions comprise a mixture of at least one alkyl phenol and at least one amino phenol, each having a...
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WO/1984/000975A1 |
Quinoline insolubles-free pitch is produced by heat-treating coal tar or coal tar pitch in the presence or absence of carbonaceous particles, and centrifuging the heat-treated product or a mixture of the heat-treated product with coal ta...
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WO/1984/000558A1 |
Quinoline insolubles (QI) are removed by centrifuging topped tar or a mixture of topped tar with coal tar gas oil or middle oil at high temperatures.
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WO/1984/000377A1 |
Method and device for manufacturing of asphalt bulk masses where a substantial part of the heat energy of the furnace gases from the drying and mixing process is transferred to the bulk mass fractions before those are supplied to the dry...
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WO/1983/002115A1 |
Cationic chemically modified asphalts having utility for road constuction, repair and maintenance as well as coating for various substrates, including cementitious substrates, glass and metal. These asphalts are the product produced by r...
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WO/1981/002233A1 |
Three terminal current source (10) including a current turn around circuit comprising first (12) and second (14) transistors. The emitters of the pair of transistors are coupled to a common terminal (20) with the collector of the first o...
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WO/1981/001842A1 |
Anthracene is precipitated in improved purity and yield by cooling a creosote coal tar distillation fraction. A ketone such as acetone is added to the fraction before the anthracene precipitates. The ketone retains phenanthrene and/or ca...
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WO/1980/002152A1 |
A method for recovering high-grade, preferably sulphur-free fuel from bituminous or pyrobituminous mineral-fuel materials, such as coal, oil shale and alum shale, said method comprising finely-dividing the raw material and dividing said ...
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WO/1979/000671A1 |
A composition of matter comprising the reaction product of a bitumen and a fatty oil e.g. asphalt and castor oil, and a process of preparation therefor. The reaction product is combined with a ployhydroxy compound and a polyisocyanate, a...
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JP7468670B2 |
The present invention provides pitch for manufacturing carbon materials, the pitch having a high fixed carbon content and low viscosity and being obtained by using a petroleum-based heavy oil as a material. Pitch is produced by a method ...
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JP2024516229A |
A process for producing mesophase pitch, the process comprising: an isotropic pitch solvent and conditions sufficient to produce a solvent fraction containing the solvent and an insoluble fraction containing mesophase pitch. and recoveri...
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JP2024512825A |
[summary] A method of transporting bituminous material from a first location to a second location includes transporting a plurality of irregularly shaped bricks formed from bituminous material in a transport chamber transported by a vehi...
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JP2024511550A |
[summary] A method for preparing a solid formation of non-volatile bituminous material includes first obtaining a plurality of molds, the molds forming irregularly shaped bricks having a plurality of non-planar surfaces. heating and cond...
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JP2024511549A |
[summary] Substantially solid bricks made of non-volatile bituminous material have a shape defined by an irregularly shaped exterior surface, which allows the bricks to interact with neighboring bricks when transported in bulk. Surface c...
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JP2024511551A |
[summary] A receiving structure for irregularly shaped bricks molded from non-volatile bituminous material preferably comprises a receiving structure having a special storage chamber capable of receiving non-volatile bituminous material ...
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JP2024020905A |
An object of the present invention is to provide a petroleum-based pitch for producing carbon materials having a high amount of fixed carbon. After carrying out a nitration reaction of petroleum-based heavy oil with dinitrogen tetroxide,...
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JP2024019682A |
The present invention provides a method for manufacturing carbon fiber. The method includes contacting a coal-derived material with a mixture of a supercritical fluid solvent and a first co-solvent, thereby removing at least some soluble...
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JP2024503086A |
The manufacturing process of mesophase pitch is described. The process generally includes the steps of providing a feedstock having a T5 400°F (204°C) and a T951,400°F (760°C) and subjecting the feedstock to a temperature ranging fro...
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JP7410967B2 |
Embodiments of methods for improving mesophase pitch for carbon fiber production using supercritical carbon dioxide are described. The methods improve the relative amount and quality of mesophase pitch in feedstocks, such as coal tar, al...
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JP2023546857A |
The present disclosure relates to a method of treating hydrocarbon materials of thermoplastic nature that are liquid at room temperature or become liquid upon heating to increase their softening point temperature up to 400°C. The method...
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JP2023161310A |
To provide a method of producing mesophase pitch, capable of producing practical mesophase pitch from lignite synthetic oil and petroleum-based residue or a reformed product of the petroleum-based residue as a starting material.The metho...
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JP7361211B2 |
Process of recycling a bituminous product such as for example a waste bituminous membrane product optionally containing reinforcement layers comprising grinding and melting steps and a mixing step of said melted product with a fresh carr...
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JP7360648B2 |
To provide a viscosity reduction agent capable of reducing viscosity of the tar without heating and heat-insulating the tar.The tar viscosity reduction agent comprises at least one compound represented by a general formula (I) (the gener...
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JP2023536798A |
A process for making mesophase pitch and/or isotropic pitch. The aroma-rich liquid is charged to the first thermal polymerization reactor at high temperature and pressure to produce a fast flowing isotropic rich liquid. The remaining liq...
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JP2023117818A |
To provide a method for producing a high-density graphite electrode using a petroleum-based pitch.A pitch obtained by mixing a heavy petroleum oil with a solid acid catalyst, heat-treating a mixture, and de-catalyzing to distill the mixt...
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JP7330659B1 |
Kind Code: A1 A method for producing a small block asphalt mixed material which is stored at room temperature and which has a relatively small diameter and a uniform particle size and is prevented from agglomeration during storage is pro...
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JP7304575B2 |
To provide a method for producing a pitch, in which a practical pitch can be produced by using a lignite synthetic oil derived from lignite or a solvent-insoluble component of the lignite synthetic oil.There is provided a method for prod...
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JP2023085332A |
To provide a treatment method of a vent gas from heat-treatment of plant biomass, and an apparatus used for treatment.A method for treating vent gas vapor comprises the steps of: heat-treating plant biomass 8 in a heat-treatment chamber ...
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JP2023057596A |
To provide a method and an apparatus for producing useful substances for producing two or more useful substances using wood as a raw material.A method and an apparatus for producing useful substances comprises: a raw material introductio...
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JP2023515548A |
A method and apparatus are provided for processing a feed of hydrocarbon coal slurry. The method and apparatus enhance conversion of coal feed to useful conversion products such as high melting point, high carbon content pitch products. ...
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JP7253031B2 |
The present disclosure relates to a method for preparing petroleum-based pitch having a high softening point, and more particularly, to a method for preparing petroleum-based pitch having a high softening point, the method including perf...
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JP7251860B1 |
A device for producing a plant nutrient solution from wood is provided. The woodwork raw material isolates the air in the dry vaporization chamber, the hot flue gas generated by the heat supply chamber enters the dry vaporization chamber...
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JP7243776B2 |
To enable a sludge content contained in ammonia water discharged through an ammonia water discharge port to be reduced while a separation tank is not necessarily increased in size.There is provided a tar decanter device 1 in which a liqu...
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JP2023026175A |
To provide an energy conversion system and an energy conversion method that can effectively utilize by-products generated by biomass power generation to perform power generation with good energy efficiency.A biomass energy conversion sys...
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JP2023008989A |
To provide a method for producing a heterophase binder pitch that enables the production of a molded body having a high density when a graphite block is produced using the heterophase binder pitch.There is provided a method for producing...
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JP2023001932A |
To provide a method for adding tar sludge to coke oven charge coal.The method includes: a tar sludge separation step of separating tar sludge from coal tar recovered from a coke oven gas into separated tar slag; a tar sludge concentratio...
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JP7185650B2 |
To provide a coating pitch of a high softening point and low ash lithium ion secondary battery negative electrode material and a manufacturing method thereof.In a coating pitch of a lithium ion secondary battery negative electrode materi...
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JP7167814B2 |
To provide a modified pitch that can be used as a raw material for coke having various hardness in graphite product having a constant thermal expansion coefficient.A method for producing modified pitch, including: using an oil having a t...
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JP2022541649A |
A pitch manufacturing system using coal tar or decant oil for coal or petroleum based pitch is disclosed. Heat treating the distillate fraction from the pitch manufacturing process increases the overall pitch manufacturing yield. Thermal...
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JP7108726B2 |
To provide a modified type of a stabilized mesophase pitch having suppressed residual coal forming ability, which is made from complex containing a stabilized mesophase pitch in thermoplastic resin.A modified type of a stabilized mesopha...
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JP7059304B2 |
Examples of a flexible pyrolysis system are provided that include at least one reaction chamber capable of pyrolyzing a combination of coal in a supercritical carbon dioxide (CO2) atmosphere. The system includes a recuperating and conden...
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JP7031436B2 |
To provide, in a graphite product having an arbitrarily controlled thermal expansion coefficient, a modified pitch and method for producing the same that can be used as a raw material for coke having a higher hardness.The problem is solv...
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JP7026442B2 |
To provide a modified type of a stabilized mesophase pitch having suppressed residual coal forming ability, which is made from complex containing a stabilized mesophase pitch in thermoplastic resin.The modified type of a stabilized mesop...
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JP7024708B2 |
Provided are: an extraction solvent composition having an equivalent asphalt extraction capability to trichloroethylene and allowing for an effective and safe extraction operation; an asphalt extraction method using the extraction solven...
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JP7011138B2 |
To provide a method for separation and recovery of diterpenes and steroids which are useful components in a tar and generated as a byproduct on carbonization of a ligneous biomass.The method for separation and recovery of diterpenes and ...
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